UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-CSR

CERTIFIED SHAREHOLDER REPORT OF REGISTERED
MANAGEMENT INVESTMENT COMPANIES

Investment Company Act File Number: 811-07605

T. Rowe Price Mid-Cap Value Fund, Inc.

(Exact name of registrant as specified in charter)

100 East Pratt Street, Baltimore, MD 21202

(Address of principal executive offices)

David Oestreicher

100 East Pratt Street, Baltimore, MD 21202

(Name and address of agent for service)

Registrant’s telephone number, including area code: (410) 345-2000

Date of fiscal year end: December 31

Date of reporting period: June 30, 2018

*Certain mutual fund accounts that are assessed an annual account service fee can also save money by switching to e-delivery.

U.S. stocks recorded decent gains in the first half of 2018, but unlike last year, investors had to absorb some bumps along the way. In February, volatility spiked and the S&P 500 Index briefly tumbled over 10% from its highs, putting it in correction territory. The major U.S. benchmarks recovered their losses in the spring, eventually bringing the technology-focused Nasdaq Composite Index and the smaller-cap indexes to new highs. Volatility stayed somewhat elevated, however, and many investors clearly remained anxious as the first half of your fund’s fiscal year ended.

Solid corporate and economic fundamentals initially seemed to promise that 2017’s strong stock market momentum might carry forward into 2018. Continued global synchronized growth led to strong profits for many multinationals. In the U.S., earnings for the S&P 500 rose by nearly 25% in the first quarter versus a year before, according to FactSet—the best performance since the recovery from the financial crisis. Profit growth also picked up in Europe, Japan, and emerging markets, even as growth in many international economies cooled a bit.

Inflation fears presented the first obstacle to the markets in February, however. Stocks tumbled on news that hourly wages had jumped in January, sparking fears that the Federal Reserve would pick up its pace of interest rate increases in order to head off inflation. Wage growth moderated in the following months, but a series of strong economic reports raised growth expectations and sent long-term interest rates to multiyear peaks by May. Investors also worried that the massive U.S. fiscal stimulus from December’s tax cuts and March’s spending bill might overheat the economy, though interest rates fell back in late May and June as Fed officials stressed their intention to move slowly in tightening monetary policy.

Trade tensions soon emerged as a second impediment for the markets. The Trump administration began implementing a more populist trade stance in March, announcing tariffs on steel and aluminum imports, threatening to withdraw from the North American Free Trade Agreement (NAFTA), and later raising the possibility of taxing auto imports. The administration also announced a steady escalation in possible tariffs on Chinese goods, eventually targeting a list of $200 billion in Chinese imports. China and other U.S. trading partners vowed to retaliate proportionately.

Investors initially seemed willing to dismiss the tit-for-tat threats as negotiating tactics, but evidence eventually emerged that even the prospect of tariffs was impacting corporate strategies and profit outlooks. Stocks slumped on June 21, after German automaker Daimler lowered its earnings guidance due to possible tariff increases on SUVs it manufactures in the U.S. and sells in China. A few days later, Harley-Davidson revealed that it was planning to move some of its motorcycle production to Europe to avoid retaliatory tariffs recently announced by the European Union.

Boeing, Caterpillar, and other leading exporters suffered declines as trade tensions worsened, but small-caps, which typically have far less international exposure, fared much better than large-caps in the first half of the year. Growth shares continued to outperform value shares despite the strong performance of energy stocks, which benefited from a rise in oil prices to multiyear highs. Stocks in overseas markets reacted particularly poorly to growing trade fears and fell for the period. A decline in many currencies relative to the dollar also weighed on international bond and stock returns for U.S. investors.

Meanwhile, technology shares continued to dominate, with much of the market’s overall gain to date in 2018 concentrated in a handful of mega-cap companies able to leverage dominant Internet platforms. Data breaches and concerns about the growing power of these firms resulted in calls for government intervention in early 2018. For now, however, the threat of increased regulation seems a longer-term one that appears minor in comparison to the powerful fundamental strength of these companies.

T. Rowe Price’s global team of industry experts is monitoring the possible impact of tariffs and other challenges on a wide range of companies—from the global tech titans to small, domestic firms that get little analyst coverage on Wall Street. While the rest of 2018 may bring further surprises, you can rest assured that your portfolio manager is drawing on a wide range of insights in seeking to provide shareholders with superior returns while minimizing the impact of unforeseen political events or other pitfalls.

The fund seeks to provide long-term capital appreciation by investing primarily in mid-size companies that appear to be undervalued.

The Mid-Cap Value Fund returned 3.29% in the six months ended June 30, 2018. The fund outperformed the Russell Midcap Value Index and its peer group, as measured by the Lipper Mid-Cap Value Funds Index. Returns for the Advisor, R, and I Class shares reflect their different fee structures. (Past performance cannot guarantee future results.)

The Mid-Cap Value Fund seeks to buy and hold undervalued, mid-size companies with prospects for better performance. Our holdings are well-established companies that have solid long-term return potential, but have fallen out of favor with most investors due to problems that we think are more fixable and temporary than the market believes. Our top contributors hailed from a variety of sectors, reflecting our opportunistic approach to finding value. However, one feature they have in common is that they each overcame challenges arising from mismanagement, industry downturns, or similar setbacks.

Rayonier exemplifies how we seek out good companies undergoing short-term adversity and hold them until they become fully valued. We bought Rayonier, a Florida timberland real estate investment trust that owns forests in the U.S. and New Zealand, after it spun off its cellulose products business in 2014. Shortly thereafter, Rayonier revealed that its previous management had overharvested its timber assets, forcing it to lower its earnings expectations. However, Rayonier subsequently won back investors’ confidence by taking steps to manage its resources more conservatively and instill operating discipline and greater accountability. The company’s shares surged this year as the housing market recovery drove domestic lumber prices to record levels. (Please refer to the portfolio of investments for a complete list of holdings and the amount each represents in the portfolio.)

FirstEnergy is a longtime holding that turned into a top contributor after the market recognized the value of its business. One of the leading U.S. electricity providers, FirstEnergy struggled for years with depressed utilization of its coal plants amid weak power demand. We owned FirstEnergy as we believed that its transmission and distribution assets had strong return potential from increased investment. Our rationale was validated in January, when FirstEnergy announced that it received a $2.5 billion equity investment from an investment group led by the activist Elliott Management Corp. This spring, FirstEnergy filed for bankruptcy protection for several power plants it owns in the Midwest—a move that effectively limits the potential financial benefit for the company from improved electricity prices. However, FirstEnergy still owns an attractive footprint of power-generating businesses and has a strong financial position, thanks to its new investors. FirstEnergy ranked among the fund’s biggest positions at the end of June, and we believe that its shares have further upside potential.

Turning to detractors, two of our holdings owed their poor performance to online competition disrupting their respective markets. Shares of Edgewell Personal Care, whose products include Schick razors and Banana Boat sunscreen, suffered as the rise of online shaving clubs for men squeezed profit margins for established razor blade manufacturers. In response, Edgewell reduced its operating expenses, repurchased its shares, and took other actions to make it a leaner company. We believe that Edgewell’s consumer brands have enduring value and that the competitive environment in men’s shaving will improve over time.

Similarly, shares of dental and animal health products supplier Patterson Companies slumped amid reports that Amazon.com was making inroads into the nation’s health care distribution business, raising fears that the Internet behemoth would usher in new competition for drug and medical equipment suppliers. News that the Federal Trade Commission filed a lawsuit in February against Patterson and two of its peers over antitrust charges—followed by the company’s reduced financial forecast in March—also fueled a sell-off in Patterson’s shares, which lost more than a third of their value over the past six months. However, we believe that these negative headlines have obscured Patterson’s leading market position and the underlying value of its businesses, and we are encouraged by recent actions of new management to improve its returns. Edgewell Personal Care and Patterson Companies ranked among the fund’s biggest detractors over the period. We think that their shares are undervalued, and added to our positions in both companies.

Your fund’s sector positioning is determined by individual stock picking based on the in-depth company research generated by T. Rowe Price’s equity analyst team, as opposed to broader sector or macroeconomic trends. We believe that our long-term investment horizon, wide diversification across sectors and industries, and close attention to valuation help ensure that your fund is well positioned to outperform its peers over time.

Our sector allocations shifted slightly as we reduced or eliminated holdings whose shares appreciated to levels reflecting their intrinsic value and bought companies whose shares traded for significantly less than what we believed they were worth. Our exposure to the consumer staples sector, which lagged the benchmark, rose as we leaned into declines and bought personal care products maker Kimberly-Clark and added to our core position in Bunge, which processes and transports agricultural commodities. On the other hand, our allocation to information technology (IT) declined as we took advantage of the sector’s strong performance and trimmed our position in chipmaker Marvell Technology Group. At the end of June, financials followed by health care comprised the largest sector allocations on an absolute basis, while telecommunication services and IT represented the smallest allocations. Relative to the Russell Midcap Value Index, health care and consumer staples accounted for the top overweight sectors, while IT and real estate comprised the largest underweight sectors.

The U.S. bull market entered its tenth year in 2018 as the economy and corporate earnings continued to strengthen. While the stock market’s steady upswing has been good for individual investors, it has also made it increasingly harder for us to find undervalued companies. We think the air is thin in the mid-cap value universe as valuations approach rarefied levels.

We would also note, however, that much of the stock market’s gains over the past year has been driven by a handful of large, technology-driven names, leaving behind many companies with solid businesses that have withstood numerous economic cycles. Most of these companies reside in value-oriented sectors such as consumer staples, utilities, and financial services; however, we are also seeing potential opportunities in traditionally “growthy” industries, such as biotechnology, as well as in more cyclical sectors that have significantly underperformed the broad market, such as energy.

Regardless of the market’s short-term swings, we continue to research investment opportunities in all areas of the market as we wait for valuations to revert to more compelling levels. We are confident that our disciplined investment approach and careful stock selection, backed by T. Rowe Price’s longstanding strengths in fundamental research, will help us continue generating solid returns for shareholders over the long term.

The views expressed reflect the opinions of T. Rowe Price as of the date of this report and are subject to change based on changes in market, economic, or other conditions. These views are not intended to be a forecast of future events and are no guarantee of future results.

Mid-cap companies risks: The stocks of mid-cap companies generally entail greater risk and are usually more volatile than the stocks of larger companies. In comparison to larger companies, mid-cap companies tend to have less seasoned management, narrower product lines, and less capital reserves and liquidity and are therefore more sensitive to economic, market, and industry changes. However, by being more focused in their business activities, mid-cap companies may at times be more responsive and better able to adapt to the changing needs of their markets than larger companies. Stocks of mid-cap companies generally represent less risk than stocks of small-cap companies. In comparison to smaller companies, mid-cap companies are usually mature enough to have established organizational structures and the depth of management needed to expand their operations, and are more likely to have sufficient financial resources and access to capital to finance their growth.

Value investing risks: Finding undervalued stocks requires considerable research to identify the particular company, analyze its financial condition and prospects, and assess the likelihood that the stock’s underlying value will be recognized by the market and reflected in its price. A value approach to investing carries the risk that the market will not recognize a security’s intrinsic value for a long time or that a stock judged to be undervalued may actually be appropriately priced.

Note: Frank Russell Company (Russell) is the source and owner of the Russell index data contained or reflected in these materials and all trademarks and copyrights related thereto. Russell^® is a registered trademark of Russell. Russell is not responsible for the formatting or configuration of these materials or for any inaccuracy in T. Rowe Price Associates’ presentation thereof.

This chart shows the value of a hypothetical $10,000 investment in the fund over the past 10 fiscal year periods or since inception (for funds lacking 10-year records). The result is compared with benchmarks, which include a broad-based market index and may also include a peer group average or index. Market indexes do not include expenses, which are deducted from fund returns as well as mutual fund averages and indexes.

As a mutual fund shareholder, you may incur two types of costs: (1) transaction costs, such as redemption fees or sales loads, and (2) ongoing costs, including management fees, distribution and service (12b-1) fees, and other fund expenses. The following example is intended to help you understand your ongoing costs (in dollars) of investing in the fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example is based on an investment of $1,000 invested at the beginning of the most recent six-month period and held for the entire period.

Please note that the fund has four share classes: The original share class (Investor Class) charges no distribution and service (12b-1) fee, Advisor Class shares are offered only through unaffiliated brokers and other financial intermediaries and charge a 0.25% 12b-1 fee, R Class shares are available to retirement plans serviced by intermediaries and charge a 0.50% 12b-1 fee, and I Class shares are available to institutionally oriented clients and impose no 12b-1 or administrative fee payment. Each share class is presented separately in the table.

Actual Expenses
The first line of the following table (Actual) provides information about actual account values and expenses based on the fund’s actual returns. You may use the information on this line, together with your account balance, to estimate the expenses that you paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number on the first line under the heading “Expenses Paid During Period” to estimate the expenses you paid on your account during this period.

Hypothetical Example for Comparison Purposes
The information on the second line of the table (Hypothetical) is based on hypothetical account values and expenses derived from the fund’s actual expense ratio and an assumed 5% per year rate of return before expenses (not the fund’s actual return). You may compare the ongoing costs of investing in the fund with other funds by contrasting this 5% hypothetical example and the 5% hypothetical examples that appear in the shareholder reports of the other funds. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period.

Note: T. Rowe Price charges an annual account service fee of $20, generally for accounts with less than $10,000. The fee is waived for any investor whose T. Rowe Price mutual fund accounts total $50,000 or more; accounts electing to receive electronic delivery of account statements, transaction confirmations, prospectuses, and shareholder reports; or accounts of an investor who is a T. Rowe Price Personal Services or Enhanced Personal Services client (enrollment in these programs generally requires T. Rowe Price assets of at least $250,000). This fee is not included in the accompanying table. If you are subject to the fee, keep it in mind when you are estimating the ongoing expenses of investing in the fund and when comparing the expenses of this fund with other funds.

You should also be aware that the expenses shown in the table highlight only your ongoing costs and do not reflect any transaction costs, such as redemption fees or sales loads. Therefore, the second line of the table is useful in comparing ongoing costs only and will not help you determine the relative total costs of owning different funds. To the extent a fund charges transaction costs, however, the total cost of owning that fund is higher.

T. Rowe Price Mid-Cap Value Fund, Inc. (the fund) is registered under the Investment Company Act of 1940 (the 1940 Act) as a diversified, open-end management investment company. The fund seeks to provide long-term capital appreciation by investing primarily in mid-sized companies that appear to be undervalued. The fund has four classes of shares: the Mid-Cap Value Fund (Investor Class), the Mid-Cap Value Fund–Advisor Class (Advisor Class), the Mid-Cap Value Fund–R Class (R Class), and the Mid-Cap Value Fund–I Class (I Class). Advisor Class shares are sold only through unaffiliated brokers and other unaffiliated financial intermediaries, and R Class shares are available to retirement plans serviced by intermediaries. I Class shares generally are available only to investors meeting a $1,000,000 minimum investment or certain other criteria. The Advisor Class and R Class each operate under separate Board-approved Rule 12b-1 plans, pursuant to which each class compensates financial intermediaries for distribution, shareholder servicing, and/or certain administrative services; the Investor and I Classes do not pay Rule 12b-1 fees. Each class has exclusive voting rights on matters related solely to that class; separate voting rights on matters that relate to all classes; and, in all other respects, the same rights and obligations as the other classes.

Basis of Preparation The fund is an investment company and follows accounting and reporting guidance in the Financial Accounting Standards Board (FASB) Accounting Standards Codification Topic 946 (ASC 946). The accompanying financial statements were prepared in accordance with accounting principles generally accepted in the United States of America (GAAP), including, but not limited to, ASC 946. GAAP requires the use of estimates made by management. Management believes that estimates and valuations are appropriate; however, actual results may differ from those estimates, and the valuations reflected in the accompanying financial statements may differ from the value ultimately realized upon sale or maturity.

Investment Transactions, Investment Income, and Distributions Investment transactions are accounted for on the trade date basis. Income and expenses are recorded on the accrual basis. Realized gains and losses are reported on the identified cost basis. Dividends received from mutual fund investments are reflected as dividend income; capital gain distributions are reflected as realized gain/loss. Dividend income and capital gain distributions are recorded on the ex-dividend date. Income tax-related interest and penalties, if incurred, are recorded as income tax expense. Distributions from REITs are initially recorded as dividend income and, to the extent such represent a return of capital or capital gain for tax purposes, are reclassified when such information becomes available. Income distributions, if any, are declared and paid by each class annually. Distributions to shareholders are recorded on the ex-dividend date. A capital gain distribution may also be declared and paid by the fund annually.

Currency Translation Assets, including investments, and liabilities denominated in foreign currencies are translated into U.S. dollar values each day at the prevailing exchange rate, using the mean of the bid and asked prices of such currencies against U.S. dollars as quoted by a major bank. Purchases and sales of securities, income, and expenses are translated into U.S. dollars at the prevailing exchange rate on the respective date of such transaction. The portion of the results of operations attributable to changes in foreign exchange rates on investments is not bifurcated from the portion attributable to changes in market prices. The effect of changes in foreign currency exchange rates on realized and unrealized security gains and losses is reflected as a component of security gains and losses.

Class Accounting Shareholder servicing, prospectus, and shareholder report expenses incurred by each class are charged directly to the class to which they relate. Expenses common to all classes, investment income, and realized and unrealized gains and losses are allocated to the classes based upon the relative daily net assets of each class. To the extent any expenses are waived or reimbursed in accordance with an expense limitation (see Note 5), the waiver or reimbursement is charged to the applicable class or allocated across the classes in the same manner as the related expense. The Advisor Class and R Class each pay Rule 12b-1 fees, in an amount not exceeding 0.25% and 0.50%, respectively, of the class’s average daily net assets.

In-Kind Redemptions In accordance with guidelines described in the fund’s prospectus, and when considered to be in the best interest of all shareholders, the fund may distribute portfolio securities rather than cash as payment for a redemption of fund shares (in-kind redemption). Gains and losses realized on in-kind redemptions are not recognized for tax purposes and are reclassified from undistributed realized gain (loss) to paid-in capital. During the six months ended June 30, 2018, the fund realized $75,588,000 of net gain on $194,188,000 of in-kind redemptions.

New Accounting Guidance In March 2017, the FASB issued amended guidance to shorten the amortization period for certain callable debt securities held at a premium. The guidance is effective for fiscal years and interim periods beginning after December 15, 2018. Adoption will have no effect on the fund’s net assets or results of operations.

Indemnification In the normal course of business, the fund may provide indemnification in connection with its officers and directors, service providers, and/or private company investments. The fund’s maximum exposure under these arrangements is unknown; however, the risk of material loss is currently considered to be remote.

The fund’s financial instruments are valued and each class’s net asset value (NAV) per share is computed at the close of the New York Stock Exchange (NYSE), normally 4 p.m. ET, each day the NYSE is open for business. However, the NAV per share may be calculated at a time other than the normal close of the NYSE if trading on the NYSE is restricted, if the NYSE closes earlier, or as may be permitted by the SEC.

Fair Value The fund’s financial instruments are reported at fair value, which GAAP defines as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The T. Rowe Price Valuation Committee (the Valuation Committee) is an internal committee that has been delegated certain responsibilities by the fund’s Board of Directors (the Board) to ensure that financial instruments are appropriately priced at fair value in accordance with GAAP and the 1940 Act. Subject to oversight by the Board, the Valuation Committee develops and oversees pricing-related policies and procedures and approves all fair value determinations. Specifically, the Valuation Committee establishes procedures to value securities; determines pricing techniques, sources, and persons eligible to effect fair value pricing actions; oversees the selection, services, and performance of pricing vendors; oversees valuation-related business continuity practices; and provides guidance on internal controls and valuation-related matters. The Valuation Committee reports to the Board and has representation from legal, portfolio management and trading, operations, risk management, and the fund’s treasurer.

Various valuation techniques and inputs are used to determine the fair value of financial instruments. GAAP establishes the following fair value hierarchy that categorizes the inputs used to measure fair value:

Level 1 – quoted prices (unadjusted) in active markets for identical financial instruments that the fund can access at the reporting date

Level 2 – inputs other than Level 1 quoted prices that are observable, either directly or indirectly (including, but not limited to, quoted prices for similar financial instruments in active markets, quoted prices for identical or similar financial instruments in inactive markets, interest rates and yield curves, implied volatilities, and credit spreads)

Observable inputs are developed using market data, such as publicly available information about actual events or transactions, and reflect the assumptions that market participants would use to price the financial instrument. Unobservable inputs are those for which market data are not available and are developed using the best information available about the assumptions that market participants would use to price the financial instrument. GAAP requires valuation techniques to maximize the use of relevant observable inputs and minimize the use of unobservable inputs. When multiple inputs are used to derive fair value, the financial instrument is assigned to the level within the fair value hierarchy based on the lowest-level input that is significant to the fair value of the financial instrument. Input levels are not necessarily an indication of the risk or liquidity associated with financial instruments at that level but rather the degree of judgment used in determining those values.

Valuation Techniques Equity securities listed or regularly traded on a securities exchange or in the over-the-counter (OTC) market are valued at the last quoted sale price or, for certain markets, the official closing price at the time the valuations are made. OTC Bulletin Board securities are valued at the mean of the closing bid and asked prices. A security that is listed or traded on more than one exchange is valued at the quotation on the exchange determined to be the primary market for such security. Listed securities not traded on a particular day are valued at the mean of the closing bid and asked prices for domestic securities and the last quoted sale or closing price for international securities.

For valuation purposes, the last quoted prices of non-U.S. equity securities may be adjusted to reflect the fair value of such securities at the close of the NYSE. If the fund determines that developments between the close of a foreign market and the close of the NYSE will affect the value of some or all of its portfolio securities, the fund will adjust the previous quoted prices to reflect what it believes to be the fair value of the securities as of the close of the NYSE. In deciding whether it is necessary to adjust quoted prices to reflect fair value, the fund reviews a variety of factors, including developments in foreign markets, the performance of U.S. securities markets, and the performance of instruments trading in U.S. markets that represent foreign securities and baskets of foreign securities. The fund may also fair value securities in other situations, such as when a particular foreign market is closed but the fund is open. The fund uses outside pricing services to provide it with quoted prices and information to evaluate or adjust those prices. The fund cannot predict how often it will use quoted prices and how often it will determine it necessary to adjust those prices to reflect fair value. As a means of evaluating its security valuation process, the fund routinely compares quoted prices, the next day’s opening prices in the same markets, and adjusted prices.

Actively traded equity securities listed on a domestic exchange generally are categorized in Level 1 of the fair value hierarchy. Non-U.S. equity securities generally are categorized in Level 2 of the fair value hierarchy despite the availability of quoted prices because, as described above, the fund evaluates and determines whether those quoted prices reflect fair value at the close of the NYSE or require adjustment. OTC Bulletin Board securities, certain preferred securities, and equity securities traded in inactive markets generally are categorized in Level 2 of the fair value hierarchy.

Investments in mutual funds are valued at the mutual fund’s closing NAV per share on the day of valuation and are categorized in Level 1 of the fair value hierarchy. Assets and liabilities other than financial instruments, including short-term receivables and payables, are carried at cost, or estimated realizable value, if less, which approximates fair value.

Thinly traded financial instruments and those for which the above valuation procedures are inappropriate or are deemed not to reflect fair value are stated at fair value as determined in good faith by the Valuation Committee. The objective of any fair value pricing determination is to arrive at a price that could reasonably be expected from a current sale. Financial instruments fair valued by the Valuation Committee are primarily private placements, restricted securities, warrants, rights, and other securities that are not publicly traded.

Subject to oversight by the Board, the Valuation Committee regularly makes good faith judgments to establish and adjust the fair valuations of certain securities as events occur and circumstances warrant. For instance, in determining the fair value of an equity investment with limited market activity, such as a private placement or a thinly traded public company stock, the Valuation Committee considers a variety of factors, which may include, but are not limited to, the issuer’s business prospects, its financial standing and performance, recent investment transactions in the issuer, new rounds of financing, negotiated transactions of significant size between other investors in the company, relevant market valuations of peer companies, strategic events affecting the company, market liquidity for the issuer, and general economic conditions and events. In consultation with the investment and pricing teams, the Valuation Committee will determine an appropriate valuation technique based on available information, which may include both observable and unobservable inputs. The Valuation Committee typically will afford greatest weight to actual prices in arm’s length transactions, to the extent they represent orderly transactions between market participants, transaction information can be reliably obtained, and prices are deemed representative of fair value. However, the Valuation Committee may also consider other valuation methods such as market-based valuation multiples; a discount or premium from market value of a similar, freely traded security of the same issuer; or some combination. Fair value determinations are reviewed on a regular basis and updated as information becomes available, including actual purchase and sale transactions of the issue. Because any fair value determination involves a significant amount of judgment, there is a degree of subjectivity inherent in such pricing decisions, and fair value prices determined by the Valuation Committee could differ from those of other market participants. Depending on the relative significance of unobservable inputs, including the valuation technique(s) used, fair valued securities may be categorized in Level 2 or 3 of the fair value hierarchy.

Valuation Inputs The following table summarizes the fund’s financial instruments, based on the inputs used to determine their fair values on June 30, 2018 (for further detail by category, please refer to the accompanying Portfolio of Investments):

There were no material transfers between Levels 1 and 2 during the six months ended June 30, 2018.

Purchases and sales of portfolio securities other than short-term securities aggregated $2,035,439,000 and $2,660,962,000, respectively, for the six months ended June 30, 2018.

No provision for federal income taxes is required since the fund intends to continue to qualify as a regulated investment company under Subchapter M of the Internal Revenue Code and distribute to shareholders all of its taxable income and gains. Distributions determined in accordance with federal income tax regulations may differ in amount or character from net investment income and realized gains for financial reporting purposes. Financial reporting records are adjusted for permanent book/tax differences to reflect tax character but are not adjusted for temporary differences. The amount and character of tax-basis distributions and composition of net assets are finalized at fiscal year-end; accordingly, tax-basis balances have not been determined as of the date of this report.

At June 30, 2018, the cost of investments for federal income tax purposes was $11,028,476,000. Net unrealized gain aggregated $2,882,642,000 at period-end, of which $3,344,933,000 related to appreciated investments and $462,291,000 related to depreciated investments.

The fund is managed by T. Rowe Price Associates, Inc. (Price Associates), a wholly owned subsidiary of T. Rowe Price Group, Inc. (Price Group). The investment management agreement between the fund and Price Associates provides for an annual investment management fee, which is computed daily and paid monthly. The fee consists of an individual fund fee, equal to 0.35% of the fund’s average daily net assets, and a group fee. The group fee rate is calculated based on the combined net assets of certain mutual funds sponsored by Price Associates (the group) applied to a graduated fee schedule, with rates ranging from 0.48% for the first $1 billion of assets to 0.265% for assets in excess of $650 billion. The fund’s group fee is determined by applying the group fee rate to the fund’s average daily net assets. At June 30, 2018, the effective annual group fee rate was 0.29%.

The I Class is subject to an operating expense limitation (I Class limit) pursuant to which Price Associates is contractually required to pay all operating expenses of the I Class, excluding management fees, interest, expenses related to borrowings, taxes, brokerage, and other non-recurring expenses permitted by the investment management agreement, to the extent such operating expenses, on an annualized basis, exceed 0.05% of average net assets. This agreement will continue until April 30, 2020, and may be renewed, revised, or revoked only with approval of the fund’s Board. The I Class is required to repay Price Associates for expenses previously paid to the extent the class’s net assets grow or expenses decline sufficiently to allow repayment without causing the class’s operating expenses (after the repayment is taken into account) to exceed both: (1) the expense limitation in place at the time such amounts were paid; and (2) the class’s current expense limitation. However, no repayment will be made more than three years after the date of a payment or waiver. For the six months ended June 30, 2018, the I Class operated below its expense limitation.

In addition, the fund has entered into service agreements with Price Associates and two wholly owned subsidiaries of Price Associates, each an affiliate of the fund (collectively, Price). Price Associates provides certain accounting and administrative services to the fund. T. Rowe Price Services, Inc., provides shareholder and administrative services in its capacity as the fund’s transfer and dividend-disbursing agent. T. Rowe Price Retirement Plan Services, Inc., provides subaccounting and recordkeeping services for certain retirement accounts invested in the Investor Class, R Class and I Class. For the six months ended June 30, 2018, expenses incurred pursuant to these service agreements were $46,000 for Price Associates; $1,041,000 for T. Rowe Price Services, Inc.; and $515,000 for T. Rowe Price Retirement Plan Services, Inc. All amounts due to and due from Price, exclusive of investment management fees payable, are presented net on the accompanying Statement of Assets and Liabilities.

Additionally, the fund is one of several mutual funds in which certain college savings plans managed by Price Associates may invest. As approved by the fund’s Board of Directors, shareholder servicing costs associated with each college savings plan are borne by the fund in proportion to the average daily value of its shares owned by the college savings plan. For the six months ended June 30, 2018, the fund was charged $270,000 for shareholder servicing costs related to the college savings plans, of which $197,000 was for services provided by Price. All amounts due to and due from Price, exclusive of investment management fees payable, are presented net on the Statement of Assets and Liabilities. At June 30, 2018, approximately 3% of the outstanding shares of the Investor Class were held by college savings plans.

The fund is also one of several mutual funds sponsored by Price Associates (underlying Price funds) in which the T. Rowe Price Spectrum Funds (Spectrum Funds) and T. Rowe Price Retirement Funds (Retirement Funds) may invest. None of the Spectrum Funds or Retirement Funds invest in the underlying Price funds for the purpose of exercising management or control. Pursuant to special servicing agreements, expenses associated with the operation of the Spectrum Funds and Retirement Funds are borne by each underlying Price fund to the extent of estimated savings to it and in proportion to the average daily value of its shares owned by the Spectrum Funds and Retirement Funds. Expenses allocated under these special servicing agreements are reflected as shareholder servicing expense in the accompanying financial statements. For the six months ended June 30, 2018, the fund was allocated $63,000 of Spectrum Funds’ expenses and $3,187,000 of Retirement Funds’ expenses. Of these amounts, $1,007,000 related to services provided by Price. All amounts due to and due from Price, exclusive of investment management fees payable, are presented net on the accompanying Statement of Assets and Liabilities. At June 30, 2018, approximately 39% of the outstanding shares of the Investor Class were held by the Spectrum Funds and Retirement Funds.

In addition, other mutual funds, trusts, and other accounts managed by Price Associates or its affiliates (collectively, Price funds and accounts) may invest in the fund and are not subject to the special servicing agreements disclosed above. No Price fund or account may invest for the purpose of exercising management or control over the fund. At June 30, 2018, approximately 31% of the I Class’s outstanding shares were held by Price funds and accounts.

The fund may invest its cash reserves in certain open-end management investment companies managed by Price Associates and considered affiliates of the fund: the T. Rowe Price Government Reserve Fund or the T. Rowe Price Treasury Reserve Fund, organized as money market funds, or the T. Rowe Price Short-Term Fund, a short-term bond fund (collectively, the Price Reserve Funds). The Price Reserve Funds are offered as short-term investment options to mutual funds, trusts, and other accounts managed by Price Associates or its affiliates and are not available for direct purchase by members of the public. Cash collateral from securities lending is invested in the T. Rowe Price Short-Term Fund. The Price Reserve Funds pay no investment management fees.

The fund may participate in securities purchase and sale transactions with other funds or accounts advised by Price Associates (cross trades), in accordance with procedures adopted by the fund’s Board and Securities and Exchange Commission rules, which require, among other things, that such purchase and sale cross trades be effected at the independent current market price of the security. During the six months ended June 30, 2018, the fund had no purchases or sales cross trades with other funds or accounts advised by Price Associates.

The fund is a named defendant in a lawsuit assigned to a litigation trustee, which seeks to recover all payments made to beneficial owners of common stock in connection with a leveraged buyout (LBO) of Tribune, including those made in connection with a 2007 tender offer in which the fund participated. The Committee is seeking to recover all payments made to beneficial owners of common stock in connection with a leveraged buyout (LBO) of Tribune, including those made in connection with a 2007 tender offer in which the fund participated. A motion to dismiss was filed in this case and the district court granted the motion on January 9, 2017. The fund was named, also, as a defendant or included in a class of defendants in parallel litigation, which was dismissed by district court and affirmed on appeal by the Second Circuit Court of Appeals. This second action asserted state law constructive fraudulent transfer claims in an attempt to recover stock redemption payments made to shareholders at the time of the LBO. The plaintiffs in this second action filed a petition for a writ of certiorari with the U.S. Supreme Court. In light of a Supreme Court decision in an unrelated case, the bankruptcy trustee on behalf of the Committee has sought leave to amend its complaint that was dismissed on January 9, 2017. Additionally, the Supreme Court has deferred its decision on the petition for a writ of certiorari filed in the second action. In light of the deferral, the Second District Court of Appeals issued an Order on May 15, 2018, recalling the mandate. The complaints allege no misconduct by the fund, and management has vigorously defended the lawsuits. The value of the proceeds received by the fund is $70,070,000 (0.50% of net assets), and the fund will incur legal expenses. Management continues to assess the case and has not yet determined the effect, if any, on the fund’s net assets and results of operations.

A description of the policies and procedures used by T. Rowe Price funds and portfolios to determine how to vote proxies relating to portfolio securities is available in each fund’s Statement of Additional Information. You may request this document by calling 1-800-225-5132 or by accessing the SEC’s website, sec.gov.

The description of our proxy voting policies and procedures is also available on our corporate website. To access it, please visit the following Web page:

Scroll down to the section near the bottom of the page that says, “Proxy Voting Policies.” Click on the Proxy Voting Policies link in the shaded box.

Each fund’s most recent annual proxy voting record is available on our website and through the SEC’s website. To access it through T. Rowe Price, visit the website location shown above, and scroll down to the section near the bottom of the page that says, “Proxy Voting Records.” Click on the Proxy Voting Records link in the shaded box.

The fund files a complete schedule of portfolio holdings with the Securities and Exchange Commission for the first and third quarters of each fiscal year on Form N-Q. The fund’s Form N-Q is available electronically on the SEC’s website (sec.gov); hard copies may be reviewed and copied at the SEC’s Public Reference Room, 100 F St. N.E., Washington, DC 20549. For more information on the Public Reference Room, call 1-800-SEC-0330.

Each year, the fund’s Board of Directors (Board) considers the continuation of the investment management agreement (Advisory Contract) between the fund and its investment advisor, T. Rowe Price Associates, Inc. (Advisor), on behalf of the fund. In that regard, at an in-person meeting held on March 5–6, 2018 (Meeting), the Board, including a majority of the fund’s independent directors, approved the continuation of the fund’s Advisory Contract. At the Meeting, the Board considered the factors and reached the conclusions described below relating to the selection of the Advisor and the approval of the Advisory Contract. The independent directors were assisted in their evaluation of the Advisory Contract by independent legal counsel from whom they received separate legal advice and with whom they met separately.

In providing information to the Board, the Advisor was guided by a detailed set of requests for information submitted by independent legal counsel on behalf of the independent directors. In considering and approving the Advisory Contract, the Board considered the information it believed was relevant, including, but not limited to, the information discussed below. The Board considered not only the specific information presented in connection with the Meeting but also the knowledge gained over time through interaction with the Advisor about various topics. The Board meets regularly and, at each of its meetings, covers an extensive agenda of topics and materials and considers factors that are relevant to its annual consideration of the renewal of the T. Rowe Price funds’ advisory contracts, including performance and the services and support provided to the funds and their shareholders.

Services Provided by the Advisor
The Board considered the nature, quality, and extent of the services provided to the fund by the Advisor. These services included, but were not limited to, directing the fund’s investments in accordance with its investment program and the overall management of the fund’s portfolio, as well as a variety of related activities such as financial, investment operations, and administrative services; compliance; maintaining the fund’s records and registrations; and shareholder communications. The Board also reviewed the background and experience of the Advisor’s senior management team and investment personnel involved in the management of the fund, as well as the Advisor’s compliance record. The Board concluded that it was satisfied with the nature, quality, and extent of the services provided by the Advisor.

Investment Performance of the Fund
The Board took into account discussions with the Advisor and reports that it receives throughout the year relating to fund performance. In connection with the Meeting, the Board reviewed the fund’s net annualized total returns for the 1-, 2-, 3-, 4-, 5-, and 10-year periods as of September 30, 2017, and compared these returns with the performance of a peer group of funds with similar investment programs and a wide variety of other previously agreed-upon comparable performance measures and market data, including those supplied by Broadridge, which is an independent provider of mutual fund data.

On the basis of this evaluation and the Board’s ongoing review of investment results, and factoring in the relative market conditions during certain of the performance periods, the Board concluded that the fund’s performance was satisfactory.

Costs, Benefits, Profits, and Economies of Scale
The Board reviewed detailed information regarding the revenues received by the Advisor under the Advisory Contract and other benefits that the Advisor (and its affiliates) may have realized from its relationship with the fund, including any research received under “soft dollar” agreements and commission-sharing arrangements with broker-dealers. The Board considered that the Advisor may receive some benefit from soft-dollar arrangements pursuant to which research is received from broker-dealers that execute the fund’s portfolio transactions. The Board received information on the estimated costs incurred and profits realized by the Advisor from managing the T. Rowe Price funds. The Board also reviewed estimates of the profits realized from managing the fund in particular, and the Board concluded that the Advisor’s profits were reasonable in light of the services provided to the fund.

The Board also considered whether the fund benefits under the fee levels set forth in the Advisory Contract from any economies of scale realized by the Advisor. Under the Advisory Contract, the fund pays a fee to the Advisor for investment management services composed of two components—a group fee rate based on the combined average net assets of most of the T. Rowe Price funds (including the fund) that declines at certain asset levels and an individual fund fee rate based on the fund’s average daily net assets—and the fund pays its own expenses of operations. The Board concluded that the advisory fee structure for the fund continued to provide for a reasonable sharing of benefits from any economies of scale with the fund’s investors.

Fees and Expenses
The Board was provided with information regarding industry trends in management fees and expenses. Among other things, the Board reviewed data for peer groups that were compiled by Broadridge, which compared: (i) contractual management fees, total expenses, actual management fees, and nonmanagement expenses of the Investor Class of the fund with a group of competitor funds selected by Broadridge (Investor Class Expense Group); (ii) total expenses and actual management fees of the Advisor Class of the fund with a group of competitor funds selected by Broadridge (Advisor Class Expense Group); and (iii) total expenses, actual management fees, and nonmanagement expenses of the Investor Class of the fund with a broader set of funds within the Lipper investment classification (Expense Universe). The Board considered the fund’s contractual management fee rate, actual management fee rate (which reflects the management fees actually received from the fund by the Advisor after any applicable waivers, reductions, or reimbursements), operating expenses, and total expenses (which reflect the net total expense ratio of the fund after any waivers, reductions, or reimbursements) in comparison with the information for the Broadridge peer groups. Broadridge generally constructed the peer groups by seeking the most comparable funds based on similar investment classifications and objectives, expense structure, asset size, and operating components and attributes and ranked funds into quintiles, with the first quintile representing the funds with the lowest relative expenses and the fifth quintile representing the funds with the highest relative expenses. The information provided to the Board indicated that the fund’s contractual management fee ranked in the second quintile (Investor Class Expense Group), the fund’s actual management fee rate ranked in the second quintile (Investor Class Expense Group and Expense Universe) and first quintile (Advisor Class Expense Group), and the fund’s total expenses ranked in the first quintile (Investor Class Expense Group, Advisor Class Expense Group, and Expense Universe).

The Board also reviewed the fee schedules for institutional accounts and private accounts with similar mandates that are advised or subadvised by the Advisor and its affiliates. Management provided the Board with information about the Advisor’s responsibilities and services provided to subadvisory and other institutional account clients, including information about how the requirements and economics of the institutional business are fundamentally different from those of the mutual fund business. The Board considered information showing that the Advisor’s mutual fund business is generally more complex from a business and compliance perspective than its institutional account business and considered various relevant factors, such as the broader scope of operations and oversight, more extensive shareholder communication infrastructure, greater asset flows, heightened business risks, and differences in applicable laws and regulations associated with the Advisor’s proprietary mutual fund business. In assessing the reasonableness of the fund’s management fee rate, the Board considered the differences in the nature of the services required for the Advisor to manage its mutual fund business versus managing a discrete pool of assets as a subadvisor to another institution’s mutual fund or for an institutional account and that the Advisor generally performs significant additional services and assumes greater risk in managing the fund and other T. Rowe Price funds than it does for institutional account clients.

On the basis of the information provided and the factors considered, the Board concluded that the fees paid by the fund under the Advisory Contract are reasonable.

Approval of the Advisory Contract
As noted, the Board approved the continuation of the Advisory Contract. No single factor was considered in isolation or to be determinative to the decision. Rather, the Board concluded, in light of a weighting and balancing of all factors considered, that it was in the best interests of the fund and its shareholders for the Board to approve the continuation of the Advisory Contract (including the fees to be charged for services thereunder).

A code of ethics, as defined in Item 2 of Form N-CSR, applicable to its principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions is filed as an exhibit to the registrant’s annual Form N-CSR. No substantive amendments were approved or waivers were granted to this code of ethics during the registrant’s most recent fiscal half-year.

(a) Not applicable. The complete schedule of investments is included in Item 1 of this Form N-CSR.

Item 7. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies.

Item 9. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers.

(a) The registrant’s principal executive officer and principal financial officer have evaluated the registrant’s disclosure controls and procedures within 90 days of this filing and have concluded that the registrant’s disclosure controls and procedures were effective, as of that date, in ensuring that information required to be disclosed by the registrant in this Form N-CSR was recorded, processed, summarized, and reported timely.

(b) During the period, the Price Funds’ accounting agent, The Bank of New York Mellon (BNYM), converted the fund’s books and records from a legacy fund accounting system / operating model to a BNYM fund accounting system / operating model.

(a)(1) The registrant’s code of ethics pursuant to Item 2 of Form N-CSR is filed with the registrant’s annual Form N-CSR.

(2) Separate certifications by the registrant's principal executive officer and principal financial officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 and required by Rule 30a-2(a) under the Investment Company Act of 1940, are attached.

(3) Written solicitation to repurchase securities issued by closed-end companies: not applicable.

(b) A certification by the registrant's principal executive officer and principal financial officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and required by Rule 30a-2(b) under the Investment Company Act of 1940, is attached.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

T. Rowe Price Mid-Cap Value Fund, Inc.

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

		By	/s/ David Oestreicher
			David Oestreicher
			Principal Executive Officer

Date	August 16, 2018


		By	/s/ Catherine D. Mathews
			Catherine D. Mathews
			Principal Financial Officer

Date	August 16, 2018

■	The Mid-Cap Value Fund returned 3.29% in the first half of its fiscal year and outpaced the Russell Midcap Value Index and its Lipper peer group index.
■	Top contributors hailed from a range of sectors, reflecting our opportunistic approach to finding value in all areas of the market. Measured against the benchmark, stock selection in the industrials and business services and energy sectors contributed the most to relative returns. Conversely, information technology, one of the best performing sectors, was the largest detractor due to our underweight to IT.
■	Our search for individual companies that trade significantly below their intrinsic value dictates sector allocations, rather than a top-down view of a particular sector.
■	After several years of strong performance, we think the air is thin in the mid-cap value universe as valuations approach rarefied levels. However, the past year’s rally in large, technology-driven companies has bypassed many quality companies in other areas. We continue to research potential investments as we wait for valuations to come down to more attractive levels.

/s/ David Oestreicher

David Oestreicher

Principal Executive Officer

August 16, 2018