OUTER CONTINENTAL SHELF OIL AND GAS LEASING HISTORY (#30020) (Quarterly as of 03/31/93) Alaska Atlantic GOM Pacific Total Sales held 17 10 69 11 107 Blocks offered 24,659 9,160 139,591 1,887 175,297 Leases Issued 1,562 410 11,106* 470 13,488 Leases expired or relinquished 1,055 357 5,562 377 7,351 (Qtr. ending 3/31) 0 0 18 1 19 (Year 12/31 - 3/31) 0 0 18 1 19 Active Leases 507 53 5,544 93 6,197 Acres leased (mil.) (Active) 2.74 0.30 28.41 0.47 31.92 No. of Platforms Wells drilled 78 51 29,829 1,054 31,012 * Includes 394 Section 6 leases and 13 Section 8 leases added through segregation. Statistics on Central Gulf Sale 142 held March 24, 1993, are omitted from this table pending the bid adequacy analysis. Subject: PR-4/23/93 Leasing History/OCS Oil & Gas Leasing History (as of 3/31/93) (#30020)