Mainland Resources Inc. Announces Reverse Stock Split

THE WOODLANDS, 03/23/12 - Mainland Resources Inc. (the "Company") (OTCBB: MNLU) (OTCQB: MNLUD) (FRANKFURT: 5MN) (WKN No.: A0ND6N) announces that effective at the opening of trading on March 23, 2012, Mainland Resources Inc. (the "Company") effected a reverse stock split of its authorized and issued and outstanding shares of common stock on a one new share for ten old shares basis (1:10) (the "Reverse Split"). The Reverse Split was effective under Nevada corporate law as of March 7, 2012, pursuant to a Certificate of Change that was filed with the Nevada Secretary of State on February 23, 2012, and the Reverse Split was effective on the OTC Bulletin Board on March 23, 2012.

As a result of the Reverse Split, the Company's authorized share capital decreased from 600,000,000 shares of common stock to 60,000,000 shares of common stock and correspondingly, the Company's issued and outstanding share capital decreased from 80,969,502 shares of common stock to 8,096,950 shares of common stock.

As a result of the Reverse Split, the Company's trading symbol was changed to "MNLUD" as of the opening of trading on March 23, 2012. However, the "D" in the Company's symbol (which signifies a stock split) will be removed 20 business days from March 23, 2012, at which time the Company's symbol will revert back to "MNLU". The Company's new CUSIP number is 560613 200.

The board of Mainland also announces that it has accepted the resignation of Simeon King Horton as a Director Of The Board at the effective date of February 27, 2012. The board thanks Ms. King Horton for her service to the Company.


About Mainland Resources Inc.

Mainland and its working interest partners control approximately 17,265 net acres or 28 sections on the Buena Vista prospect area where the Burkley-Phillips No. 1 well was drilled to 22,000 feet, cored and logged. Upon completion of the purchase of the Leases, Mainland would own 92% before payout of approximately 9,040 acres and 72% before payout of the remaining approximately 8,225 acres comprising the total 17,265 acres in the Buena Vista prospect. As recently announced, core analysis has determined that gas in place in the Buena Vista prospect could be up to 500 BCF/section based on the cored interval.

Mainland is engaged in the exploration of oil and gas resources. The Company's current initiatives are focused on the acquisition and development of acreage in emerging and early developing oil and gas regions with the potential for material discoveries. For information see: www.mainlandresources.com.



Safe Harbour Statement

THIS NEWS RELEASE CONTAINS "FORWARD-LOOKING STATEMENTS". STATEMENTS IN THIS NEWS RELEASE WHICH ARE NOT PURELY HISTORICAL ARE FORWARD-LOOKING STATEMENTS AND INCLUDE ANY STATEMENTS REGARDING BELIEFS, PLANS, EXPECTATIONS OR INTENTIONS REGARDING THE FUTURE.

FORWARD-LOOKING STATEMENTS ARE SUBJECT TO CERTAIN RISKS AND UNCERTAINTIES THAT COULD CAUSE ACTUAL RESULTS TO DIFFER MATERIALLY FROM ANY FUTURE RESULTS, PERFORMANCE OR ACHIEVEMENTS EXPRESSED OR IMPLIED BY SUCH STATEMENTS. STATEMENTS THAT ARE NOT HISTORICAL FACTS, INCLUDING STATEMENTS THAT ARE PRECEDED BY, FOLLOWED BY, OR THAT INCLUDE SUCH WORDS AS "ESTIMATE," "ANTICIPATE," "BELIEVE," "PLAN" OR "EXPECT" OR SIMILAR STATEMENTS ARE FORWARD-LOOKING STATEMENTS. RISKS AND UNCERTAINTIES FOR THE COMPANY INCLUDE, BUT ARE NOT LIMITED TO, THE RISKS ASSOCIATED WITH OIL AND GAS PROPERTY EXPLORATION AND FUNDING AS WELL AS THE RISKS SHOWN IN THE COMPANY'S MOST RECENT ANNUAL REPORT ON FORM 10-K AND ITS QUARTERLY REPORTS ON FORM 10-Q, AND FROM TIME-TO-TIME IN OTHER PUBLICLY AVAILABLE INFORMATION REGARDING THE COMPANY. OTHER RISKS INCLUDE RISKS ASSOCIATED WITH THE REGULATORY APPROVAL PROCESS, COMPETITIVE COMPANIES, FUTURE CAPITAL REQUIREMENTS AND THE COMPANY'S ABILITY AND LEVEL OF SUPPORT FOR ITS EXPLORATION ACTIVITIES. THERE CAN BE NO ASSURANCE THAT THE COMPANY'S EXPLORATION EFFORTS WILL SUCCEED AND THE COMPANY WILL ULTIMATELY ACHIEVE COMMERCIAL SUCCESS. THESE FORWARD-LOOKING STATEMENTS ARE MADE AS OF THE DATE OF THIS NEWS RELEASE, AND THE COMPANY ASSUMES NO OBLIGATION TO UPDATE THE FORWARD-LOOKING STATEMENTS, OR TO UPDATE THE REASONS WHY ACTUAL RESULTS COULD DIFFER FROM THOSE PROJECTED IN THE FORWARD-LOOKING STATEMENTS. ALTHOUGH THE COMPANY BELIEVES THAT THE BELIEFS, PLANS, EXPECTATIONS AND INTENTIONS CONTAINED IN THIS NEWS RELEASE ARE REASONABLE, THERE CAN BE NO ASSURANCE THOSE BELIEFS, PLANS, EXPECTATIONS OR INTENTIONS WILL PROVE TO BE ACCURATE. INVESTORS SHOULD CONSIDER ALL OF THE INFORMATION SET FORTH HEREIN AND SHOULD ALSO REFER TO THE RISK FACTORS DISCLOSED IN THE COMPANY'S PERIODIC REPORTS FILED FROM TIME-TO-TIME WITH THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION.

THIS NEWS RELEASE HAS BEEN PREPARED BY MANAGEMENT OF THE COMPANY WHO TAKES FULL RESPONSIBILITY FOR ITS CONTENTS. EACH OF FINRA, THE SEC AND THE BRITISH COLUMBIA SECURITIES COMMISSION NEITHER APPROVES NOR DISAPPROVES OF THE CONTENTS OF THIS NEWS RELEASE. THIS NEWS RELEASE SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE SECURITIES IN ANY JURISDICTION IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH JURISDICTION.



Contacts:

Mainland Resources Inc.
Investor Relations (USA)
Toll-Free North America +1-877-662-3668

Mainland Resources Inc.
Investor Relations (Europe)
+49-69-7593-8408
www.mainlandresources.com