EXHIBIT 99.1

For Information

Brent A. Collins

303-861-8140

FOR IMMEDIATE RELEASE

ST. MARY SCHEDULES FIRST QUARTER 2009 EARNINGS CONFERENCE CALL

DENVER, April 14, 2009 – St. Mary Land & Exploration Company (NYSE: SM) is scheduled to release earnings for the first quarter of 2009 after the close of trading on the NYSE on May 4, 2009.  The teleconference to discuss these results is scheduled for May 5, 2009 at 8:00 a.m. Mountain time (10:00 a.m. Eastern time).  The call participation number is 888-811-1227.  An audio replay of the call will be available approximately two hours after the call at 800-642-1687, conference number 95272239.  International participants can dial 706-679-9922 to take part in the conference call and can access a replay of the call at 706-645-9291, conference number 95272239.  Replays can be accessed through May 12, 2009.

This call is being webcast live and can be accessed at St. Mary’s web site at www.stmaryland.com.  An audio recording of the conference call will be available at that site through May 12, 2009.