Exhibit 12 SOUTH JERSEY INDUSTRIES, INC. Calculation of Ratio of Earnings from Continuing Operations to Fixed Charges (Before Income Taxes) (IN THOUSANDS) Fiscal Year Ended December 31, ------------------------------------------------------- 1999 1998 1997 1996 1995 ------------------------------------------------------- Net Income* $21,977 $13,444 $18,429 $18,265 $14,874 Income Taxes 16,428 11,659 10,739 10,171 8,753 Fixed Charges** 24,300 22,436 20,320 20,408 20,442 Capitalized Interest (390) (167) (107) (114) (98) ------------------------------------------------------- Total Available $62,315 $47,372 $49,381 $48,730 $43,971 ======================================================= Total Available 2.6x 2.1x 2.4x 2.4x 2.2x - -------------------- Fixed Charges <FN> * Net Income before Discontinued Operations. ** Includes interest and preferred securities dividend requirements of a subsidiary. </FN>