X0303 4 2009-09-28 0 0000041023 GEORESOURCES INC GEOI 0001397151 Chandler Collis Paul III 475 17TH ST., SUITE 1210 DENVER CO 80202 1 1 0 0 Executive VP Common Stock 2009-09-28 4 S 0 7900 11.04 D 1459532 I All shares owned by Chandler Energy, LLC. Common Stock 2009-09-29 4 S 0 11400 11.123 D 1448132 I All shares owned by Chandler Energy, LLC. Options 8.27 2009-10-10 2017-10-10 Common Stock 50000 50000 D Options 9.56 2010-10-10 2017-10-10 Common Stock 25000 75000 D Options 9.56 2011-10-10 2017-10-10 Common Stock 25000 100000 D Options 8.50 2010-02-03 2019-02-02 Common Stock 6250 106250 D Options 10.00 2010-02-03 2019-02-02 Common Stock 6250 112500 D Options 8.50 2011-02-03 2019-02-02 Common Stock 6250 118750 D Options 10.00 2011-02-03 2019-02-02 Common Stock 6250 125000 D Options 8.50 2012-02-03 2019-02-02 Common Stock 6250 131250 D Options 10.00 2012-02-03 2019-02-02 Common Stock 6250 137500 D Options 8.50 2013-02-03 2019-02-02 Common Stock 6250 143750 D Options 10.00 2013-02-03 2019-02-02 Common Stock 6250 150000 D The price reported is the weighted average sale price for the transactions with a range in prices received of $11.00 to $11.46. The filer undertakes to provide the Staff, issuer, or a security holder full information regarding the number of shares sold at each separate price upon request. The price reported is the weighted average sale price for the transactions with a range in prices received of $11.00 to $11.31. The filer undertakes to provide the Staff, issuer, or a security holder full information regarding the number of shares sold at each separate price upon request. Right to buy. /s/ Collis P. Chandler, III 2009-09-29