Exhibit 99.5

STOCK ORDER FORM – SIDE 2

(8)  ASSOCIATES/ACTING IN CONCERT (continued from front of Stock Order Form)

Associate – The term “associate” of a person means:

(1) any corporation or organization, other than Fairmount Bancorp, Inc., Fairmount Bank or Fullerton Federal Savings Association or a majority-owned subsidiary of Fairmount Bank or Fullerton Federal Savings Association of which the person is an officer, director, partner or 10% beneficial stockholder;

(2) any trust or other estate in which the person has a substantial beneficial interest or serves as a trustee or in a fiduciary capacity, excluding any employee stock benefit plan of Fairmount Bancorp, Inc. or Fairmount Bank in which the person has a substantial beneficial interest or serves as trustee or in a fiduciary capacity; and

(3) any blood or marriage relative of the person, who either lives in the same home as the person or who is a director or officer of Fairmount Bancorp, Inc., Fairmount Bank, Fullerton Federal Savings Association or an subsidiary of Fairmount Bancorp, Inc.

Acting in concert – The term “acting in concert” means:

(1) knowing participation in a joint activity or interdependent conscious parallel action towards a common goal whether or not pursuant to an express agreement; or

(2) a combination or pooling of voting or other interests in the securities of an issuer for a common purpose pursuant to any contract, understanding, relationship, agreement or other arrangement, whether written or otherwise.

We have the right to determine whether prospective purchasers are associates or acting in concert. A person or company that acts in concert with another person or company (“other party”) shall also be deemed to be acting in concert with any person or company who is also acting in concert with that other party, except that any tax-qualified employee stock benefit plan will not be deemed to be acting in concert with its trustee or a person who serves in a similar capacity solely for the purpose of determining whether common stock held by the trustee and common stock held by the employee stock benefit plan will be aggregated.

Please see the Prospectus section entitled “ The Offering – Limitations on Common Stock Purchases” for more information on purchase limitations.

(11)  ACKNOWLEDGMENT AND SIGNATURE(S) (continued from front of Stock Order Form)

I agree that, after receipt by Fairmount Bancorp, Inc., this Stock Order Form may not be modified or canceled without Fairmount Bancorp, Inc.’s consent, and that if withdrawal from a Fullerton Federal Savings Association deposit account has been authorized, the authorized amount will not otherwise be available for withdrawal. Under penalty of perjury, I certify that (1) the Social Security or Tax ID information and all other information provided hereon are true, correct and complete, (2) I am purchasing shares solely for my own account and that there is no agreement or understanding regarding the sale or transfer of such shares, or my right to subscribe for shares, and (3) I am not subject to backup withholding tax [cross out (3) if you have been notified by the IRS that you are subject to backup withholding]. I acknowledge that my order does not conflict with the overall purchase limitation, in all categories of the offering combined, for any person or entity, together with associates or persons acting in concert with such person or entity, as set forth in the Plan of Conversion Merger and the Prospectus dated September __, 2011.

Subscription rights pertain to those eligible to subscribe in the Subscription Offering. Subscription rights are only exercisable by completing and submitting a Stock Order Form, with full payment for the shares subscribed for. Federal regulations prohibit any person from transferring or entering into any agreement directly or indirectly to transfer the legal or beneficial ownership of subscription rights, or the underlying securities, to the account of another.

I ACKNOWLEDGE THAT THE SHARES OF COMMON STOCK ARE NOT DEPOSITS OR SAVINGS ACCOUNTS AND ARE NOT INSURED OR GUARANTEED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION OR ANY OTHER GOVERNMENT AGENCY.

If anyone asserts that the shares of common stock are federally insured or guaranteed, or are as safe as an insured deposit, I should call the Office of the Comptroller of the Currency Consumer Inquiries, toll-free, at 1-(800) 613-6743

I further certify that, before purchasing the common stock of Fairmount Bancorp, Inc., I received the Prospectus dated             , 2011, and I have read the terms and conditions described in the Prospectus, including disclosure concerning the nature of the security being offered and the risks involved in the investment, described by Fairmount Bancorp, Inc. in the “Risk Factors” section, beginning on page             . Risks include, but are not limited to the following:

1. The Standard & Poor’s downgrade in the U.S. government’s sovereign credit rating, and in the credit ratings of instruments issued, insured or guaranteed by certain related Institutions, agencies and instrumentalities, could result in risks to Fairmount and general economic condictions that we are not able to predict.

2. Changes in interest rates could have a material adverse effect on our operations.

3. If our allowance for loan losses is not sufficient to cover actual loan losses, our earnings could decrease.

4. We may not be able to generate significant profits in the future.

5. Our growth strategy will increase our expenses and may not be successful.

6. Our plan to diversify and expand our portfolio to increase commercial real estate, construction lending and consumer lending activities will expose us to increased lending risks.

7. One-to-four-family non-owner occupied loans involve additional risks.

8. The loss of our President and Chief Executive Officer would hurt our operations.

9. Strong competition within our market area may limit our growth and profitability.

10. A prolonged economic downturn, especially one affecting our geographic market area, would likely adversely affect our business and financial results.

11. Concentration of loans in our primary market area, which has recently experienced an economic downturn, may increase risk.

12. Increases in FDIC insurance premiums may have a material adverse effect on our earnings.

13. We operate in a highly regulated environment.

14. The recently enacted Dodd-Frank Act may adversely impact our results of operations, liquidity or financial condition.

15. If our investment in the common stock of the Federal Home Loan Bank of Atlanta is classified as other-than-temporarily impaired or as permanently impaired, our earnings and stockholders’ equity could decrease.

16. Our real estate construction and land acquisition and development loans are based upon estimates of costs and the value of the completed project, and may expose us to increased lending risk.

17. Our mobile home loans may expose us to increased lending risk.

18. Investments in mortgage-backed securities involve a risk that actual payments will be greater or less than the prepayment rate estimated at the time of purchase.

19. The Agreement may be terminated in accordance with its terms and the Conversion Merger may not be completed.

20. Regulatory approvals may not be received, may take longer than expected or may impose conditions that are not presently anticipated or cannot be met.

21. The Conversion Merger’s financial effect upon Fairmount’s future financial condition and results of operations could differ from the present expectations of management.

22. Purchasers of our common stock may experience dilution in our earnings per share.

23. Expected voting control by directors, officers and other employees could enable insiders to prevent a merger that may provide that stockholders receive a premium for their shares.

24. There will be an extremely limited trading market in our common stock, which will hinder your ability to sell our common stock and may lower the market price of the stock.

25. The market for stock of financial institutions has been unusually volatile recently, and our stock price may decline.

26. Our return on equity may be low compared to other financial institutions. This could negatively affect the trading price of our shares of common stock.

27. Our stock-based benefit plans will increase our costs, which will reduce our income.

28. Various factors may make takeover attempts more difficult to achieve.

29. Our stock value may be negatively affected by federal regulations that restrict takeovers.

30. The corporate governance provisions in our articles of incorporation and bylaws, and the corporate governance provisions under Maryland law, may prevent or impede the holders of our common stock from obtaining representation on our board of directors and may impede takeovers of Fairmount Bancorp, Inc. that our board might conclude are not in the best interest of Fairmount Bancorp, Inc. or its stockholders.

By executing this form, the investor is not waiving any rights under federal or state securities laws, including the Securities Act of 1933 and the Securities Exchange Act of 1934. ç See Front of Stock Order Form

FAIRMOUNT BANCORP, INC.

STOCK ORDER FORM INSTRUCTIONS – SIDE 1

Sections (1) and (2) – Number of Shares and Total Payment Due. Indicate the Number of Shares that you wish to subscribe for and the Total Payment Due. Calculate the Total Payment Due by multiplying the number of shares by the $14.00 price per share. The minimum purchase is 25 shares ($350). The maximum allowable purchase by a person is 5% of the shares of common stock sold in the offering (            shares,             shares,             shares and             shares, respectively, at the minimum, midpoint, maximum and adjusted maximum of the offering range). Further, no person or entity, together with associates or persons acting in concert with such person or entity, may purchase, in all categories of the offering combined, more than 5% of the shares of common stock sold. Current Fairmount Bancorp, Inc. stockholders are subject to these purchase limitations and an overall ownership limitation. Please see the Prospectus section entitled “The Offering – Limitations on Common Stock Purchases” for more specific information. By signing this form, you are certifying that your order does not conflict with these purchase limitations.

Section (3) – Method of Payment – Check or Money Order. Payment may be made by including with this form a personal check, bank check or money order made payable to Fairmount Bancorp, Inc. These will be deposited upon receipt; the funds remitted by personal check must be available within the account(s) when your Stock Order Form is received. Indicate the amount remitted. Interest will be calculated at Fairmount Bank’s passbook savings rate until the offering is completed, at which time a subscriber will be issued a check for interest earned. Please do not remit a Fullerton Federal Savings Association or Fairmount Bank line of credit check, and do not use wire transfers or third party checks for this purchase. If you wish to pay with cash (not recommended), contact the Stock Information Center.

Section (4) – Method of Payment – Deposit Account Withdrawal. Payment may be made by authorizing a direct withdrawal from your Fullerton Federal Savings Association deposit account(s). Indicate the account number(s) and the amount(s) you wish withdrawn. Attach a separate page, if necessary. Funds designated for withdrawal must be available within the account(s) at the time this Stock Order Form is received. Upon receipt of this order, we will place a hold on the amount(s) designated by you – the funds designated will be unavailable to you for withdrawal thereafter. The funds will continue to earn interest within the account(s) at the applicable deposit account rate, and account withdrawals will be made at the completion of the offering. There will be no early withdrawal penalty for withdrawal from a Fullerton Federal Savings Association certificate of deposit account. Note that you may NOT designate accounts with check-writing privileges. Submit a check instead. Additionally, you may not designate direct withdrawal from a prearranged funeral expense account held at Fullerton Federal Savings Association. If you wish to use funds in a funeral expense account, you must terminate the underlying contract for funeral services prior to placing your stock order. Please call the Stock Information Center if you have a question about using funeral expense account funds to purchase Fairmount Bancorp, Inc. common stock. For guidance on using IRA or other retirement funds to purchase stock, please contact the Stock Information Center as soon as possible – preferably at least two weeks before the September __, 2011 offering deadline. Your ability to use retirement accounts to buy shares cannot be guaranteed and depends on various factors, including timing constraints and where those funds are held.

Section (5) – Purchaser Information. Please check the one box that applies to the purchaser(s) listed in Section 9 of this form. Purchase priorities in the Subscription Offering are based on eligibility dates. Boxes (a), (b) and (c) refer to the Subscription Offering. If you checked one of these boxes, list all Fullerton Federal Savings Association deposit account numbers that the purchaser(s) had ownership in as of the applicable eligibility date. Include all forms of account ownership (e.g. individual, joint, etc.) If purchasing shares for a minor, list only the minor’s eligible accounts. If purchasing shares for a corporation or partnership, list only that entity’s eligible accounts. Attach a separate page, if necessary. Failure to complete this section, or providing incorrect or incomplete information, could result in a loss of part or all of your share allocation in the event of an oversubscription. Boxes (d) and (e) refer to the Community Offering. Orders placed in the Subscription Offering will take priority over orders placed in the Community Offering. See the Prospectus section entitled “The Offering” for further details about the Subscription and Community Offerings.

Section (6) – Management. Check the box if you are a Fairmount Bank, Fairmount Bancorp, Inc. or a Fullerton Federal Savings Association director or officer, or a member of their immediate family. Immediate family includes spouse, parents, siblings and children who live in the same house as the director or officer.

Section (7) – Maximum Purchaser Identification. Check the box, if applicable.

Section (8) – Association/Acting in Concert. Check the box, if applicable, and provide the requested information. Attach a separate page if necessary.

Section (9) – Stock Registration. Clearly PRINT the name(s) in which you want the shares registered and the mailing address for all correspondence related to your order, including a stock certificate. Each Stock Order Form will generate one stock certificate, subject to the stock allocation provisions described in the Prospectus. IMPORTANT: Subscription rights are non-transferable. If placing an order in the Subscription Offering, adding the names of persons who are not owners of the qualifying deposit account as of the applicable eligibility date can result in the loss of your subscription rights. A Social Security or Tax ID Number must be provided. The first number listed will be identified with the stock certificate for tax reporting purposes. Listing at least one phone number is important, in the event we need to contact you about this form. NOTE FOR FINRA (Formerly NASD MEMBERS): If you are a member of the Financial Industry Regulatory Authority (“FINRA”), formerly the National Association of Securities Dealers (“NASD”), or a person affiliated or associated with a FINRA member, you may have additional reporting requirements. Please report this subscription in writing to the applicable department of the FINRA member firm within one day of payment thereof. (over)

FAIRMOUNT BANCORP, INC.

STOCK ORDER FORM INSTRUCTIONS – SIDE 2

Section (10) – Form of Stock Ownership. For reasons of clarity and standardization, the stock transfer industry has developed uniform stockholder registrations for issuance of stock certificates. Beneficiaries may not be names on stock registrations. If you have any questions on wills, estates, beneficiaries, etc., please consult your legal advisor. When registering stock, do not use two initials – use the full first name, middle initial and last name. Omit words that do not affect ownership such as “Dr.” or “Mrs.” Check the one box that applies.

Buying Stock Individually – Used when shares are registered in the name of only one owner. To qualify in the Subscription Offering, the purchaser named in Section 9 of the Stock Order Form must have had an eligible deposit account at Fullerton Federal Savings Association on December 31, 2009, June 30, 2011 or August 3, 2011.

Buying Stock Jointly – To qualify in the Subscription Offering, the persons named in Section 9 of the Stock Order Form must have had an eligible deposit account at Fullerton Federal Savings Association on December 31, 2009, June 30, 2011 or August 3, 2011.

Joint Tenants – Joint Tenancy (with Right of Survivorship) may be specified to identify two or more owners where ownership is intended to pass automatically to the surviving tenant(s). All owners must agree to the sale of shares.

Tenants in Common – May be specified to identify two or more owners where, upon the death of one co-tenant, ownership of the stock will be held by the surviving co-tenant(s) and by the heirs of the deceased co-tenant. All owners must agree to the sale of shares.

Buying Stock for a Minor – Shares may be held in the name of a custodian for a minor under the Uniform Transfer to Minors Act. To qualify in the Subscription Offering, the minor (not the custodian) named in Section 9 of the Stock Order Form must have had an eligible deposit account at Fullerton Federal Savings Association on December 31, 2009, June 30, 2011 or August 3, 2011.

The standard abbreviation for custodian is “CUST.” The Uniform Transfer to Minors Act is “UTMA.” Include the state abbreviation. For example, stock held by John Smith as custodian for Susan Smith under the MD Uniform Transfer to Minors Act, should be registered as John Smith CUST Susan Smith UTMA-MD (list only the minor’s social security number).

Buying Stock for a Corporation/Partnership – On the first name line, indicate the name of the corporation or partnership and indicate the entity’s Tax ID Number for reporting purposes. To qualify in the Subscription Offering, the corporation or partnership named in Section 9 of the Stock Order Form must have had an eligible deposit account at Fullerton Federal Savings Association on December 31, 2009, June 30, 2011 or August 3, 2011.

Buying Stock in a Trust/Fiduciary Capacity – Indicate the name of the fiduciary and the capacity under which the fiduciary is acting (for example, “Executor”), or name of the trust, the trustees and the date of the trust. Indicate the Tax ID Number to be used for reporting purposes. To qualify in the Subscription Offering, the entity named in Section 9 of the Stock Order Form must have had an eligible deposit account at Fullerton Federal Savings Association on December 31, 2009, June 30, 2011 or August 3, 2011.

Buying Stock in a Self-Directed IRA (for trustee/broker use only) – Registration should reflect the custodian or trustee firm’s registration requirements. For example, on the first name line, indicate the name of the brokerage firm, followed by CUST or TRUSTEE. On the second name line, indicate the name of the beneficial owner (for example, “FBO John SMITH IRA”). You can indicate an account number or other underlying information and the custodian or trustee firm’s address and department to which all correspondence should be mailed related to this order, including a stock certificate. Indicate the TAX ID Number under which the IRA account should be reported for tax purposes. To qualify in the Subscription Offering, the beneficial owner named in Section 9 of this form must have had an eligible deposit account at Fullerton Federal Savings Association on December 31, 2009, June 30, 2011 or August 3, 2011.

Section (11) – Acknowledgment and Signature(s). Sign and date the Stock Order Form where indicated. Before you sign, please carefully review the information you provided and read the acknowledgment. Verify that you have printed clearly and completed all applicable shaded areas on the Stock Order Form. Only one signature is required, unless any account listed in Section 4 requires more than one signature to authorize a withdrawal.

Please review the Prospectus carefully before making an investment decision. Deliver your completed and signed original Stock Order Form, with full payment or withdrawal authorization, so that it is received (not postmarked) by 2:00 p.m., Eastern Time, on September     , 2011. Stock Order Forms can be delivered by using the enclosed postage paid Stock Order Reply Envelope, by overnight delivery to the Stock Information Center address on the front of the Stock Order Form, or by hand-delivery to Fullerton Federal Savings Association, located at 7527 Belair Road, Baltimore, Maryland. Please do not hand-deliver stock order forms to Fairmount Bank. Please do not mail Stock Order Forms to Fairmount Bank or Fullerton Federal Savings Association. We are not required to accept Stock Order Forms that are found to be deficient or incorrect, or that do not include proper payment or the required signature.

OVERNIGHT DELIVERY can be made to the Stock Information Center address provided on the front of the Stock Order Form.

QUESTIONS? Call our Stock Information Center, toll-free at, 1-(877) 643-8196 Monday through Friday, from 10:00 a.m. to 4:00 p.m., Eastern Time. The Stock Information Center is not open on weekends or bank holidays.