11-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 11-K

FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE,

SAVINGS AND SIMILAR PLANS PURSUANT

TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

(Mark One)

☒ Annual Report pursuant to Section 15(d) of the Securities

Exchange Act of 1934

For the fiscal year ended December 31, 2017.

OR

☐ Transition Report pursuant to Section 15(d) of the Securities

Exchange Act of 1934

For the transition period from                      to                     

Commission File Number 0-13163

A. Full title of the plan and the address of the plan, if different from that of the issuer named below:

Acxiom Corporation Retirement Savings Plan

B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:

Acxiom Corporation

301 E. Dave Ward Dr.

Conway, AR 72032

ACXIOM CORPORATION

RETIREMENT SAVINGS PLAN

Financial Statements and Supplemental Schedule December 31, 2017 and 2016

(With Reports of Independent Registered Public Accounting Firm Thereon)

ACXIOM CORPORATION

RETIREMENT SAVINGS PLAN

Table of Contents

	Page
Reports of Independent Registered Public Accounting Firms		1
Statements of Net Assets Available for Benefits – December  31, 2017 and 2016		3
Statement of Changes in Net Assets Available for Benefits – Year ended December 31, 2017		4
Notes to Financial Statements		5
Supplemental Schedule
Schedule H, Line 4i – Schedule of Assets (Held at End of Year) – December 31, 2017		11

Note: All other supplemental schedules have been omitted because they are not applicable or are not required by Section 2520.103-10 of the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974, as amended.

Exhibits

Exhibit 23.1 – Consent of BKD, LLP

Exhibit 23.2 – Consent of KPMG LLP

Report of Independent Registered Public Accounting Firm

Plan Administrator and Plan Participants

Acxiom Corporation Retirement Savings Plan

Conway, Arkansas

Opinion on the Financial Statements

We have audited the accompanying statement of net assets available for benefits of Acxiom Corporation Retirement Savings Plan (the Plan) as of December 31, 2017, the related statement of changes in net assets available for benefits for the year then ended, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements referred to above present fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2017, and the changes in net assets available for benefits for the year then ended in conformity with accounting principles generally accepted in the United States of America.

Basis of Opinion

These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion on these financial statements based on our audit.

We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Plan in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Plan is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Plan’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audit included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable basis for our opinion.

Report on Supplemental Information

The supplemental information in the accompanying Schedule of Assets (Held at End of Year) has been subjected to audit procedures performed in conjunction with the audit of the Plan’s financial statements. The supplemental schedule is the responsibility of the Plan’s management. Our audit procedures included determining whether the supplemental schedule reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental schedule. In forming our opinion on the supplemental schedule, we evaluated whether the supplemental schedule, including its form and content, is presented in conformity with the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. In our opinion, the Schedule of Assets (Held at End of Year) is fairly stated, in all material respects, in relation to the basic financial statements taken as a whole.

/s/ BKD, LLP

We have served as the Plan’s auditor since 2017.

Little Rock, Arkansas

June 8, 2018

1

Report of Independent Registered Public Accounting Firm

The Plan Administrator

Acxiom Corporation Retirement Savings Plan:

We have audited the accompanying statement of net assets available for benefits of the Acxiom Corporation Retirement Savings Plan (the Plan) as of December 31, 2016. This financial statement is the responsibility of the Plan’s management. Our responsibility is to express an opinion on this financial statement based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, the financial statement referred to above presents fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2016 in conformity with U.S. generally accepted accounting principles.

/s/ KPMG LLP

Dallas, Texas

June 28, 2017

2

ACXIOM CORPORATION

RETIREMENT SAVINGS PLAN

Statements of Net Assets Available for Benefits

December 31, 2017 and 2016

	2017		2016
Assets:
Noninterest-bearing cash	$	1,453	$	79,973
Investments, at fair value:
Acxiom Corporation common stock		63,431,019		64,137,865
Participant brokerage accounts		2,443,224		1,972,047
Mutual funds		190,410,860		163,917,816
Common collective trust funds		253,514,818		217,497,124
Total investments at fair value		509,799,921		447,524,852
Notes receivable from participants		5,241,032		5,474,792
Net assets available for benefits	$	515,042,406	$	453,079,617

See accompanying notes to financial statements.

3

ACXIOM CORPORATION

RETIREMENT SAVINGS PLAN

Statement of Changes in Net Assets Available for Benefits

Year ended December 31, 2017

Investment income:
Dividends	$	14,674,254
Net appreciation in fair value of investments		61,351,855
Net investment income		76,026,109
Interest income on notes receivable from participants		221,777
Contributions:
Participants		21,142,326
Employer		6,720,718
Rollovers		1,541,371
		29,404,415
Deductions from net assets attributed to:
Benefits paid to participants and beneficiaries		43,172,134
Plan expenses		517,378
Total deductions		43,689,512
Net increase in net assets available for benefits		61,962,789
Net assets available for benefits, beginning of year		453,079,617
Net assets available for benefits, end of year	$	515,042,406

See accompanying notes to financial statements.

4

ACXIOM CORPORATION

RETIREMENT SAVINGS PLAN

Notes to Financial Statements

December 31, 2017 and 2016

(1) Plan Description

The following description of the Acxiom Corporation Retirement Savings Plan (“Plan”) provides only general information. Participants should refer to the Plan document for a more complete description of the Plan’s provisions.

(a) General

The Plan is a defined contribution plan covering substantially all employees of Acxiom Corporation and its domestic subsidiaries (“Acxiom,” “Company,” or “Employer”). The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”). The Administrative Committee, as appointed by the Chairman of the Internal Compensation Committee, is the administrator for the Plan.

(b) Participation

Employees of the Company may participate in the Plan upon commencement of employment, except for those employees, if any, who already receive retirement benefits in connection with a collective bargaining agreement, certain nonresident employees, and leased employees.

(c) Contributions

The Plan includes a 401(k) provision whereby each participant may defer up to 30% of annual compensation, not to exceed limits determined under Section 415(c) of the Internal Revenue Code (“IRC”).

The Plan allows discretionary matching contributions up to 50% of deferrals not in excess of 6% of participants’ compensation. During the current year the Company made matching contributions at the 50% level.

Participant contributions to the Plan are invested as directed by participants into various investment options. The Company’s matching contributions are made with Acxiom common stock and are recorded based on the fair value of the common stock at the date contributed. During the year ended December 31, 2017, the Company contributed 276,281 shares of Acxiom common stock. Immediately upon deposit into the Plan, the match shares are 100% diversifiable, at the election of the participant, among the other investment options within the Plan.

(d) Participant Accounts

Each participant’s account is credited with the participant’s contribution, rollovers, if any, the Company’s matching contribution, and discretionary contributions, if any, and is adjusted for investment income/losses and expenses. Allocations of income/losses and expenses are made according to formulas specified in the Plan based on participant compensation or account balances. The benefit to which a participant is entitled is the benefit that can be provided from the participant’s vested account.

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(e) Notes Receivable from Participants

Participants may borrow from their Plan accounts a minimum of $1,000 up to a maximum equal to the lesser of $50,000, less the highest outstanding balance in the previous 12 months or 50% of their vested account balance. Loans are repayable through payroll deductions ranging up to five years unless the loan is for the purchase of a primary residence, in which case the loan can be repaid over ten years. The loans are secured by the balance in the participant’s account and bear interest at the prime rate in effect at the date of the loan plus 1.0%. The interest rates on outstanding participant loans at December 31, 2017 range from 4.25% to 6.00%, with maturity dates ranging from January 2018 to September 2027.

(f) Vesting

Participants are immediately vested in their voluntary contributions, rollovers, if any, and the earnings thereon. Participants are vested in the remainder of their accounts based on years of service, whereby partial vesting occurs in 20% increments beginning after two years of service until participants become fully vested after six years of service. Effective September 30, 2016, participants that complete an hour of service on or after September 30, 2016, are partially vested in 33% increments beginning after one year of service until participants become fully vested after three years of service. If applicable, nonvested portions of Company contributions are forfeited when a terminated employee takes a distribution and are used to reduce future Company matching contributions or to pay plan expenses.

At December 31, 2017 and 2016, forfeited nonvested accounts totaled $162,236 and $259,044, respectively. These accounts will be used to reduce future Employer contributions. During 2017, $306,284 of participants’ accounts were forfeited. Forfeited nonvested accounts reduced Employer contributions by $416,612. During 2017, $11,635 of forfeited nonvested accounts were used to fund missed employer match contributions and earnings. During 2017, the forfeiture account balance was increased by $24,919 on the fair market value of the investments held in the account.

(g) Investment Options

Upon enrollment in the Plan, a participant may direct employee contributions in any of 12 mutual funds, 17 common collective trust funds, or the Acxiom common stock fund. In addition, participants have the option to open a self-directed brokerage account with T. Rowe Price Company (“T. Rowe Price”) in order to invest in numerous other stocks, bonds, and mutual funds.

(h) Benefits Paid to Participants and Beneficiaries

Benefits paid upon retirement, death, or disability are made in the form of a lump-sum payment of cash or common stock of the Company. If a participant receives benefits prior to retirement, death, or disability, the benefits paid from the participant’s Employer contribution account shall not exceed the participant’s vested balance therein.

(2) Summary of Significant Accounting Policies

(a) Basis of Accounting

The financial statements of the Plan are prepared under the accrual method of accounting.

(b) Investment Valuation and Income Recognition

The Plan’s investments are reported at fair value. Fair value is 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.

Purchases and sales of securities are recorded on a trade-date basis. Dividends are recorded on the ex-dividend date. Interest is recorded as earned. Net appreciation/depreciation in fair value of investments represents realized gains (losses) on investments sold and unrealized appreciation (depreciation) on investments held at year-end.

6

(c) Notes Receivable from Participants

Notes receivable from participants are stated at amortized cost, which represents the unpaid principal balance plus accrued interest.

(d) Use of Estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and changes therein, and disclosure of contingent assets and liabilities. Actual results could differ from those estimates.

(e) Payment of Benefits

Benefits are recorded when paid.

(f) Expenses

Certain expenses of maintaining the Plan are paid by the Plan, unless otherwise paid by the Company. Expenses that are paid by the Company are excluded from these financial statements. Fees related to the administration of notes receivable from participants are charged directly to the participant’s account and are included in administrative expenses. Investment related expenses are included in net appreciation of fair value of investments.

(3) Fair Value Measurements

The Plan applies the provisions of Accounting Standards Codification (“ASC”) 820, Fair Value Measurements. ASC 820 defines fair value, establishes a framework for measuring fair value, and requires disclosure about assets and liabilities measured at fair value. Specifically, ASC 820:

• Defines fair value 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, and establishes a framework for measuring fair value;

• Establishes a three-level hierarchy based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1) and lowest priority to unobservable inputs (Level 3); and

• Expands disclosures about instruments measured at fair value.

The three levels of the fair value hierarchy under ASC 820 are described below:

Level 1 – Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities.

Level 2 – Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument. These are inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

7

The following tables present a summary of the Plan’s investments measured at fair value as of December 31, 2017 and 2016:

	Investments at fair value as of December 31, 2017
	Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Unobservable inputs (Level 3)		Total carrying value in statement of net assets available for benefits
Acxiom Corporation common stock (i)	$	63,431,019		—		—		63,431,019
Common collective trusts (ii)		—		253,514,818		—		253,514,818
Mutual funds (iii)		190,410,860		—		—		190,410,860
Participant-directed brokerage accounts		2,443,224		—		—		2,443,224
Total investment assets at fair value	$	256,285,103		253,514,818		—		509,799,921
	Investments at fair value as of December 31, 2016
	Quoted prices in active market (Level 1)		Significant other observable inputs (Level 2)		Unobservable inputs (Level 3)		Total carrying value in statement of net assets available for benefits
Acxiom Corporation common stock (i)	$	64,137,865		—		—		64,137,865
Common collective trusts (ii)		—		217,497,124		—		217,497,124
Mutual funds (iii)		163,917,816		—		—		163,917,816
Participant-directed brokerage accounts		1,972,047		—		—		1,972,047
Total investment assets at fair value	$	230,027,728		217,497,124		—		447,524,852

(i) Common stock: Valued at the closing price reported in the active market in which the individual securities are traded.

(ii) Common collective trusts (“CCT”): Valued daily at the net asset value (“NAV”) of the underlying CCT. The NAV is based on the fair value of the underlying investments held by the fund less its liabilities. Participant transactions (purchases and sales) may occur daily. Were the Plan to initiate a full redemption of the collective trust, the investment advisor reserves the right to temporarily delay withdrawal from the trust in order to ensure that securities liquidations will be carried out in an orderly business manner.

8

(iii) Mutual Funds: Valued at the daily closing price as reported by the fund. Mutual funds held by the Plan are open-end mutual funds that are registered with the SEC. These funds are required to publish their daily NAV and to transact at that price. The mutual funds held by the Plan are deemed to be actively traded.

The methods described above may produce a fair value that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while the Plan believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different fair value measurement as of the reporting date.

(4) Plan Administration

The Plan is administered by the administrative committee. T. Rowe Price is the recordkeeper and trustee of the Plan.

(5) Tax Status

The Internal Revenue Service (“IRS”) has determined and informed the Company in a letter dated May 30, 2014, that the Plan is designed in accordance with applicable sections of the IRC. The Plan has been amended since receiving the determination letter. The amendments to the plan include: (1) the definition of “spouse;” (2) the addition of a year-end true-up to the discretionary matching contribution; (3) vesting of certain participants as a result of corporate transactions; (4) allowing in-service distributions from rollover accounts at any time; (5) the addition of a Roth elective contribution feature; and (6) changing from six-year graded vesting of Employer contributions to three-year graded vesting. The plan administrator believes that the Plan is currently designed and being operated in compliance with the applicable requirements of the IRC.

Management is required to evaluate uncertain tax positions taken by the Plan. The financial statement effects of a tax position are recognized when the position is more likely than not, based on the technical merits, to be sustained upon examination by the IRS. The plan administrator has analyzed the tax positions taken by the Plan and concluded that as of December 31, 2017 and 2016, there are no uncertain positions taken or expected to be taken. The Plan has recognized no interest or penalties related to uncertain tax positions. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress.

(6) Related Party Transactions

Certain investments represent mutual funds and common and collective trusts managed by T. Rowe Price, the trustee. Other related party transactions involve the common stock of the Company and notes receivable from participants. During 2017 and 2016, total fees paid to related parties were $517,378 and $312,670, respectively.

(7) Reconciliation of Financial Statements to Form 5500

The following is a reconciliation of net assets available for benefits per the financial statements at December 31, 2017 and 2016 to the Form 5500:

	2017			2016
Net assets available for benefits per financial statements	$	515,042,406			453,079,617
Participant loans in default-deemed distributions		(38,385	)		(37,052	)
Net assets available for benefits per Form 5500	$	515,004,021			453,042,565

9

The following is a reconciliation of net changes in net assets per the financial statements to the Form 5500:

	December 31, 2017
Net increase in net assets available for benefits per financial statements	$	61,962,789
Adjustment for defaulted participant loans-deemed distributions as of December 31, 2017		38,385
Adjustment for defaulted participant loans-deemed distributions as of December 31, 2016		(37,052	)
Total changes in net assets per Form 5500	$	61,964,122

(8) Plan Termination

Although it has not expressed any intent to do so, the Company has the right under the Plan to discontinue its contributions at any time and to terminate the Plan subject to the provisions of ERISA. Upon complete discontinuance of contributions, termination, or partial termination of the Plan, participants will become 100% vested in their accounts. Upon full termination of the Plan, the value of such accounts shall be distributed as provided in the Plan.

(9) Risks and Uncertainties

The Plan invests in various investment securities. Investment securities are exposed to various risks such as interest rate, market, and credit risks. Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term and those changes could materially affect the amounts reported in the statements of net assets available for benefits.

Market conditions may result in a high degree of volatility and increase the risks and short-term liquidity associated with certain investments held by the Plan, which could impact the value of investments after the date of these financial statements. Due to uncertainties inherent in the estimations and assumptions process, it is at least reasonably possible that changes in these estimates and assumptions in the near term would be material to the financial statements.

10

ACXIOM CORPORATION

RETIREMENT SAVINGS PLAN

Schedule H, Line 4i – Schedule of Assets (Held at End of Year)

December 31, 2017

Identity of issuer, borrower, lessor, or similar party	Description	Shares		Fair value
* Acxiom Corporation	Common stock		2,301,601	$	63,431,019
Participant Directed Brokerage Accounts	Tradelink Investments		2,443,224		2,443,224
	Mutual funds:
	PIMCO Total Return Instl.		1,083,950		11,132,162
	MetWest Total Return Bond Fund Class I		622,325		6,633,980
* T. Rowe Price	Government Money		51,592		51,592
	BlackRock Global Allocation, I		140,470		2,782,711
	Harbor International Fund		33,785		2,281,162
* T. Rowe Price	Balanced Fund		1,066,021		25,936,301
	JP Morgan Large Cap Growth Fund, R6		627,097		24,362,707
* T. Rowe Price	Growth Stock Fund		805,648		50,473,848
	Invesco Diversified Dividend R6		1,336,127		27,203,550
	JP Morgan Mid Cap Value Instl.		283,007		11,399,526
	Eagle Small Cap Growth R6		157,702		9,995,177
	American Funds Europacific Growth – R6		323,444		18,158,144
	Total mutual funds				190,410,860
	Common collective trust funds:
* T. Rowe Price	New Horizons Trust D		330,961		11,689,542
* T. Rowe Price	U.S. Mid-Cap Growth EQ Trust D		1,847,490		44,912,475
* T. Rowe Price	U.S. Small-Cap Value EQ Trust D		1,107,701		23,450,023
* T. Rowe Price	Retirement 2005 Trust F		31,011		460,825
* T. Rowe Price	Retirement 2010 Trust F		88,338		1,370,124
* T. Rowe Price	Retirement 2015 Trust F		182,232		3,015,936
* T. Rowe Price	Retirement 2020 Trust F		796,608		13,996,394
* T. Rowe Price	Retirement 2025 Trust F		954,444		17,685,838
* T. Rowe Price	Retirement 2030 Trust F		1,267,133		24,557,034
* T. Rowe Price	Retirement 2035 Trust F		918,139		18,390,334
* T. Rowe Price	Retirement 2040 Trust F		924,776		18,930,173
* T. Rowe Price	Retirement 2045 Trust F		429,082		8,813,339
* T. Rowe Price	Retirement 2050 Trust F		286,367		5,884,840
* T. Rowe Price	Retirement 2055 Trust F		220,958		4,538,476
* T. Rowe Price	Retirement 2060 Trust F		116,050		1,524,897
* T. Rowe Price	Stable Value Fund Class N		33,802,636		33,802,636
* T. Rowe Price	Equity Index Trust Class C		632,272		20,491,932
	Total common collective trust funds				253,514,818
* Notes receivable from Participants, interest rates range from 4.25% – 6.00% and maturities of January 2018 to September 2027.					5,241,032
	Total investments			$	515,040,953

Historical cost information is not presented on this schedule, as all investments are participant directed.

* Indicates a party in interest to the Plan.

See accompanying independent auditors’ report.

11

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, Acxiom Corporation has duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

	Acxiom Corporation As Sponsor and Administrator of the Acxiom Corporation Retirement Savings Plan
June 8, 2018	By:	/s/ Jerry C. Jones
		Jerry C. Jones
		Chief Ethics and Legal Officer, Executive Vice President and Assistant Secretary

12

EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Board of Directors

Acxiom Corporation

We hereby consent to the incorporation by reference in the Registration Statements (Nos. 333-57470, 333-136919, 333-158005, 333-221162 and 333-223520 ) on Form S-8 of Acxiom Corporation of our report dated June 8, 2018, with respect to the statement of net assets available for benefits of the Acxiom Corporation Retirement Savings Plan, as of December 31, 2017, and the related statement of changes in net assets available for benefits for the year ended December 31, 2017, and the supplemental schedule H, line 4i-schedule of assets (held at end of year) as of December 31, 2017, which is included in the December 31, 2017, Annual Report on Form 11-K of the Acxiom Corporation Retirement Savings Plan.

/s/ BKD, LLP

Little Rock, Arkansas

June 8, 2018

EX-23.2

Exhibit 23.2

Consent of Independent Registered Public Accounting Firm

The Plan Administrator

Acxiom Corporation Retirement Savings Plan:

We consent to the incorporation by reference in the registration statement (No. 333-158005, 333-57470, and 333-136919) on Form S-8 of Acxiom Corporation of our report dated June 28, 2017, with respect to the statement of net assets available for benefits of the Acxiom Corporation Retirement Savings Plan as of December 31, 2016, which report appears in the December 31, 2017 annual report for Form 11-K of the Acxiom Corporation Retirement Savings Plan.

/s/ KPMG LLP

Dallas, Texas

June 8, 2018