Evercore Investment Banking Pitch Book

Financial Analysis Reserve Report - Summary Ryder Scott prepared an estimate of the proved, probable and possible reserves, future production and income attributable to MMR The effective date of the Reserve Report is July 1, 2012 Evercore's technical team has mechanically rolled the Reserve Report forward (to reflect only actual production) to an effective date of October 1, 2012 and has updated the benchmark price deck to a NYMEX strip as of December 3, 2012 Evercore has also adjusted the Reserve Report for asset sales at West Delta, Mississippi Canyon and Eugene Island (sold 22.6 Befe of proved reserves) based on data received from MMR Reserve Category PDP 14% POSS PDBP 35% PROB 20% PUD 11% Operated Status Operated Non-Op 45% 55% EVERCORE PARTNERS Product Mix Gas 65% Oil 26% Offshore 85% NGL 9% Onshore vs. Offshore Onshore 15% 13 Ryder Scott Reserves (December 3, 2012 NYMEX Strip; Effective October 1, 2012) Reserve Category PDP PDBP PDSI PUD Total Proved Reserves Probable Total 2P Reserves Possible Total 3P Reserves Reserve Category PDP PDBP PDSI PUD Total Proved Reserves Probable Total 2P Reserves Possible Total 3P Reserves Reserre CategoIT PDP PDEP PDSI PUD Total Proved Reserves Probable Total 2P Reserves Possible Total 3P Reserves Gulf of Mexico Shelf NGL (045) A 3,210 6,477 0 307 95 334 10,521 2,330 12,852 1,299 14,150 Gulf Coast Onshore 143 545 322 867 131 998 On 000 335 1,695 3,518 6,572 658 2,691 917 3.600 1,352 4,960 0 977 11,067 2,652 13,719 1,430 15,148 NGL 199 36 5,038 19,967 13.120 33,107 12.95 46,064 Total Conventional Assets Gas ADM 235 18 253 10 263 NGL (460) 534 1,734 Gas 656 2,927 935 3,861 1,362 5,223 14,631 35,905 66,56+ 115,914 5 6 23.055 32,005 104,558 183,833 34.365 53,850 135,923 237,683 +1,359 180,282 57,263 294,946 Gas (AMg") Confidential 11,025 3,924 Equi Equir 14,063 4,740 5,898 24,671 15,156 39,827 13.802 53,629 Equi 25,657 70,765 5 6 28,095 37,906 124,545 208,504 47,455 172,030 69,006 277,510 71,065 54,316 226,346 348,575 49,969 120,623 PV-10 (MM) $1.1 $534.5 $0.0 $46.5 $582.1 $159.3 $741.4 $156.1 $899.5 PV-10 (SMM) $39.4 $15.7 $0.0 $15.3 $70.4 $118.1 $36.6 $154.7 PV-10 $40.5 $550.2 $0.0 $61.5 $652.5 $207.0 $859.5 $194.7 $1,054.2 MCMORan

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