Southwestern Energy Company / Dividends

Declaration date	Ex date	Record date	Payment date	Amount
April 18, 2000	April 19, 2000	April 20, 2000	May 5, 2000	$0.0075
January 18, 2000	January 19, 2000	January 20, 2000	February 4, 2000	$0.0075
October 18, 1999	October 19, 1999	October 20, 1999	November 5, 1999	$0.0075
July 16, 1999	July 19, 1999	July 20, 1999	August 5, 1999	$0.0075
April 20, 1999				$0.0075
April 16, 1999	April 19, 1999	April 20, 1999	May 5, 1999	$0.0075
January 15, 1999	January 19, 1999	January 20, 1999	February 5, 1999	$0.0075
October 16, 1998	October 19, 1998	October 20, 1998	November 5, 1998	$0.0075
July 16, 1998	July 17, 1998	July 20, 1998	August 5, 1998	$0.0075
April 16, 1998	April 17, 1998	April 20, 1998	May 5, 1998	$0.0075
February 5, 1998				$0.0075
January 15, 1998	January 19, 1998	January 20, 1998	February 5, 1998	$0.0075
October 16, 1997	October 17, 1997	October 20, 1997	November 5, 1997	$0.0075
July 17, 1997	July 18, 1997	July 21, 1997	August 5, 1997	$0.0075
April 17, 1997	April 18, 1997	April 21, 1997	May 5, 1997	$0.0075
January 15, 1997	January 17, 1997	January 20, 1997	February 5, 1997	$0.0075
October 17, 1996	October 18, 1996	October 21, 1996	November 5, 1996	$0.0075
July 17, 1996	July 18, 1996	July 19, 1996	August 5, 1996	$0.0075
April 17, 1996	April 18, 1996	April 19, 1996	May 3, 1996	$0.0075
January 17, 1996	January 18, 1996	January 19, 1996	February 5, 1996	$0.0075
October 18, 1995	October 19, 1995	October 20, 1995	November 3, 1995	$0.0075
July 18, 1995	July 19, 1995	July 20, 1995	August 4, 1995	$0.0075
April 13, 1995	April 19, 1995	April 20, 1995	May 5, 1995	$0.0075
January 13, 1995	January 19, 1995	January 20, 1995	February 3, 1995	$0.0075
October 14, 1994	October 19, 1994	October 20, 1994	November 4, 1994	$0.015
July 14, 1994	July 19, 1994	July 20, 1994	August 5, 1994	$0.015
April 14, 1994	April 19, 1994	April 20, 1994	May 5, 1994	$0.015
January 13, 1994	January 19, 1994	January 20, 1994	February 4, 1994	$0.015
October 14, 1993	October 19, 1993	October 20, 1993	November 5, 1993	$0.015
July 14, 1993	July 19, 1993	July 20, 1993	August 5, 1993	$0.015
April 14, 1993	April 19, 1993	April 20, 1993	May 5, 1993	$0.0125
January 13, 1993	January 19, 1993	January 20, 1993	February 5, 1993	$0.0125
October 14, 1992	October 19, 1992	October 20, 1992	November 5, 1992	$0.0125
July 14, 1992	July 17, 1992	July 20, 1992	August 5, 1992	$0.0125
April 13, 1992	April 17, 1992	April 20, 1992	May 5, 1992	$0.0125
January 13, 1992	January 17, 1992	January 20, 1992	February 5, 1992	$0.0125
October 15, 1991	October 18, 1991	October 21, 1991	November 5, 1991	$0.0117
July 15, 1991	July 18, 1991	July 19, 1991	August 5, 1991	$0.0117
April 15, 1991	April 18, 1991	April 19, 1991	May 6, 1991	$0.0117
January 14, 1991	January 17, 1991	January 18, 1991	February 5, 1991	$0.0117
October 15, 1990	October 18, 1990	October 19, 1990	November 5, 1990	$0.0117
July 16, 1990	July 19, 1990	July 20, 1990	August 6, 1990	$0.0117
April 16, 1990	April 19, 1990	April 20, 1990	May 4, 1990	$0.0117
January 12, 1990	January 18, 1990	January 19, 1990	February 5, 1990	$0.0117
October 16, 1989	October 19, 1989	October 20, 1989	November 6, 1989	$0.0117
July 14, 1989	July 19, 1989	July 20, 1989	August 4, 1989	$0.0117
April 14, 1989	April 19, 1989	April 20, 1989	May 5, 1989	$0.0117
January 13, 1989	January 19, 1989	January 20, 1989	February 6, 1989	$0.0117
October 14, 1988	October 19, 1988	October 20, 1988	November 4, 1988	$0.0117
July 14, 1988	July 19, 1988	July 20, 1988	August 5, 1988	$0.0117
April 14, 1988	April 19, 1988	April 20, 1988	May 5, 1988	$0.0117
January 13, 1988	January 19, 1988	January 20, 1988	February 5, 1988	$0.0117
October 14, 1987	October 19, 1987	October 20, 1987	November 5, 1987	$0.0117
July 14, 1987	July 17, 1987	July 20, 1987	August 5, 1987	$0.0117
April 16, 1987	April 17, 1987	April 20, 1987	May 5, 1987	$0.0117
April 13, 1987				$0.0117
January 13, 1987	January 19, 1987	January 20, 1987	February 5, 1987	$0.0117
October 14, 1986				$0.0109
July 15, 1986				$0.0109
April 15, 1986				$0.0109
January 13, 1986				$0.0109
October 15, 1985				$0.0109
July 15, 1985				$0.0109
April 16, 1985				$0.0109
January 14, 1985				$0.0109