Excluding one-time gains of $30 million in the 1990 period, operating income was unchanged at Coastal, the nation's 16th-largest energy company.
Excluding one-time gains and charges, company earnings increased by 29 percent, to $503.2 million, or 79 cents a share.
But its revenue, excluding one-time gains, was up only 6 percent, to $7.7 billion.
Analysts expect sales to grow another 40 percent this year, to $2.6 billion, and profits, excluding extraordinary gains, to more than double.
Excluding special gains, the increase would have been 32 percent, the company said.
That compared with 1989 earnings of $181 million, or $3.33 a share, excluding extraordinary gains.
Excluding special gains and charges, the company had a net loss of $357 million, or $2.26 a share.
Excluding one-time gains, the company earned 30 cents a share.
Excluding large one-time gains, Chase said its net income would have increased by 23 percent compared with the 1987 quarter.
Excluding one-time gains and charges, the company met analysts' expectations of 52 cents a share.