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, -------------------------------------------------------------------------------------- 2004 2003 2002 2001 2000 1999 -------------------------------------------------------------------------------------- Net Income* $42,973 $34,553 $29,412 $26,869 $24,741 $21,962 Income Taxes 29,079 23,596 20,404 19,295 18,711 16,418 Fixed Charges** 21,273 23,016 22,675 24,101 24,392 24,300 Capitalized Interest (700) (2,400) (1,941) (500) (26) (390) -------------------------------------------------------------------------------------- Total Available $92,625 $78,765 $70,550 $69,765 $67,818 $62,290 ====================================================================================== Total Available 4.4x 3.4x 3.1x 2.9x 2.8x 2.6x - -------------------------- Fixed Charges <FN> * Net Income from Continuing Operations. ** Includes interest and preferred dividend requirement of a subsidiary. Preferred dividend requirement totalled $135,000 in 2004 (rentals are not material). </FN>