CORRECTION -- Oklahoma Health Partners Makes Equity Investment in Graymark Healthcare

| Source: Graymark Healthcare, Inc.

OKLAHOMA CITY, Nov. 13, 2012 (GLOBE NEWSWIRE) -- In a press release issued today by Graymark Healthcare, Inc. (OTCBB:GRMH) under the same headline, please note that Oklahoma Health Partners (OHP), announced today their intent to purchase 1,444,445 shares of common stock of Graymark Healthcare (GRMH) for $650,000 at $0.45 per share. The transaction is expected to close no later than November 14, 2012, not November 14, 2013 as originally stated.

Company Contact:
Graymark Healthcare, Inc.
Stanton Nelson
Chief Executive Officer
Tel 1-405-601-5300

Investor Relations:
Genesis Select, Inc.
Kim Rogers-Carrete
Tel 1-303-415-0200