X0201 4 2004-03-05 0 0001040593 CARRIZO OIL & GAS INC CRZO 0001106535 JP MORGAN PARTNERS 23A SBIC LP C/O J.P. MORGAN PARTNERS LLC 1221 AVENUE OF THE AMERICAS 40TH FLOOR NEW YORK NY 10020 0 0 1 0 0001243237 J P MORGAN PARTNERS 23A SBIC MANAGER INC C/O JPMORGAN PARTNERS 1221 AVENUE OF THE AMERICAS 40TH FL. NEW YORK NY 10021 0 0 1 0 0001208636 JP MORGAN CHASE BANK 1CHASE MANHATTAN PLAZA 40TH FLOOR NEW YORK NY 10081 0 0 1 0 0000019617 J P MORGAN CHASE & CO 270 PARK AVE 39TH FL NEW YORK NY 10017 0 0 1 0 Common Stock 2004-03-05 4 S 0 249938 7.00 D 1515550 D Warrants 2.20 2007-12-15 Common Stock 2208151 2208151 D Stock Options (right to purchase) 1.75 2000-12-15 2009-12-15 Common Stock 16667 16667 I See Footnote Stock Options (right to purchase) 5.1719 2001-05-19 2010-05-19 Common Stock 3333 3333 I See Footnote Stock Options (right to purchase) 7.40 2002-05-18 2011-05-17 Common Stock 2500 2500 I See Footnote Stock Options (right to purchase) 5.36 2003-03-27 2012-03-27 Common Stock 10000 10000 I See Footnote Stock Options (right to purchase) 4.78 2003-05-22 2012-05-22 Common Stock 5000 5000 I See Footnote Stock Options (right to purchase) 5.75 2004-05-27 2013-05-26 Common Stock 5000 5000 I See Footnote These Warrants are immediately exercisable. These stock options were granted to Arnold Chavkin and Christopher Behrens, directors of the Issuer. Messrs. Chavkin and Behrens are Executive Vice President and Managing Director, respectively, of J.P. Morgan Partners (23A SBIC), L.P. ("JPM 23A SBIC") and limited partners of JPMP Master Fund Manager, L.P. ("MF Manager"), the non-managing member of JPM 23A SBIC. Mr. Chavkin ceased to be a director of the Issuer on March 11, 2002. 6,667 of the stock options granted to him are currently exercisable. Mr. Behrens' options became exercisable in three annual installments commencing December 15, 2000. Mr. Chavkin and Mr. Behrens are obligated to transfer any shares issued under uncancelled stock options to JPM 23A SBIC. These stock options each were granted to Arnold Chavkin and Christopher Behrens, directors of the Issuer. Mr. Chavkin ceased to be a director of the Issuer on March 11, 2002. 833 of the stock options granted to him are currently exercisable. Mr. Behrens' options become exercisable in three annual installments commencing May 19, 2001. Mr. Chavkin and Mr. Behrens are obligated to transfer any shares issued under uncancelled stock options to JPM 23A SBIC. These stock options were granted to Christopher Behrens, a director of the Issuer. Mr. Behrens is obligated to transfer any shares issued under his stock options to JPM 23A SBIC. These options became exercisable in three annual installments commencing May 18, 2002. These options were granted to Bryan Martin, a director of the Issuer. Mr. Martin is a Managing Director of J.P. Morgan Partners, LLC, the investment advisor to J.P. Morgan Partners (23A SBIC Manager), Inc., the sole managing member of JPM 23A SBIC. Mr. Martin is also a limited partner of MF Manager. Mr. Martin is obligated to transfer any shares issued under his stock options to JPM 23A SBIC. These options became exercisable in three annual installments commencing March 27, 2003. 2,500 stock options each were granted to Bryan Martin and Christopher Behrens, directors of the Issuer. These options became exercisable in three annual installments commencing May 22, 2003. Mr. Martin and Mr. Behrens are obligated to transfer any shares issued under the stock options to JPM 23A SBIC. 2,500 stock options each were granted to Bryan Martin and Christopher Behrens, directors of the Issuer. These options become exercisable in three annual installments commencing May 27, 2004. Mr. Martin and Mr. Behrens are obligated to transfer any shares issued under the stock options to JPM 23A SBIC. Christopher C. Behrens 2004-03-09