1 CONSENT TO BE NAMED IN REGISTRATION STATEMENTS I hereby consent to be named in (i) the Registration Statement on Form S-3 of Mesa Operating Co. ("MOC") relating to the offering of _____% Senior Subordinated Notes due 2006 and _____% Senior Subordinated Discount Notes due 2006 of MOC, as issuer, and MESA Inc. ("MESA"), as guarantor (No. 333-03281), and (ii) the Registration Statement on Form S-3 of MESA relating to the offering of shares of Series A 8% Cumulative Convertible Preferred Stock (No. 333- 03365), as a person to become a director of MESA, and to the filing of this Consent as an exhibit to such Registration Statements. /s/ RICHARD E. RAINWATER ------------------------ Date: June 24, 1996 Richard E. Rainwater 2 CONSENT TO BE NAMED IN REGISTRATION STATEMENTS I hereby consent to be named in (i) the Registration Statement on Form S-3 of Mesa Operating Co. ("MOC") relating to the offering of _____% Senior Subordinated Notes due 2006 and _____% Senior Subordinated Discount Notes due 2006 of MOC, as issuer, and MESA Inc. ("MESA"), as guarantor (No. 333-03281), and (ii) the Registration Statement on Form S-3 of MESA relating to the offering of shares of Series A 8% Cumulative Convertible Preferred Stock (No. 333- 03365), as a person to become a director of MESA, and to the filing of this Consent as an exhibit to such Registration Statements. /s/ DARLA D. MOORE ------------------------ Date: June 24, 1996 Darla D. Moore 3 CONSENT TO BE NAMED IN REGISTRATION STATEMENTS I hereby consent to be named in (i) the Registration Statement on Form S-3 of Mesa Operating Co. ("MOC") relating to the offering of _____% Senior Subordinated Notes due 2006 and _____% Senior Subordinated Discount Notes due 2006 of MOC, as issuer, and MESA Inc. ("MESA"), as guarantor (No. 333-03281), and (ii) the Registration Statement on Form S-3 of MESA relating to the offering of shares of Series A 8% Cumulative Convertible Preferred Stock (No. 333- 03365), as a person to become a director of MESA, and to the filing of this Consent as an exhibit to such Registration Statements. /s/ PHILIP B. SMITH ------------------------ Date: June 24, 1996 Philip B. Smith 4 CONSENT TO BE NAMED IN REGISTRATION STATEMENTS I hereby consent to be named in (i) the Registration Statement on Form S-3 of Mesa Operating Co. ("MOC") relating to the offering of _____% Senior Subordinated Notes due 2006 and _____% Senior Subordinated Discount Notes due 2006 of MOC, as issuer, and MESA Inc. ("MESA"), as guarantor (No. 333-03281), and (ii) the Registration Statement on Form S-3 of MESA relating to the offering of shares of Series A 8% Cumulative Convertible Preferred Stock (No. 333- 03365), as a person to become a director of MESA, and to the filing of this Consent as an exhibit to such Registration Statements. /s/ KENNETH A. HERSH ------------------------ Date: June 24, 1996 Kenneth A. Hersh