X0101 EFFECT 33 LIVE 2010-10-05 10:00:00

S-4

0001176334 MARTIN MIDSTREAM PARTNERS LP 333-169408 0001501250 Martin Operating GP LLC 333-169408-09 0001294564 Martin Operating Partnership L.P. 333-169408-08 0001501259 Prism Gas Systems I, L.P. 333-169408-07 0001501265 Prism Gas Systems GP, L.L.C. 333-169408-06 0001501260 Prism Gulf Coast Systems, L.L.C. 333-169408-05 0001501261 McLeod Gas Gathering & Processing Company, L.L.C. 333-169408-04 0001501262 Woodlawn Pipeline Co., Inc. 333-169408-03 0001501263 Prism Liquids Pipeline LLC 333-169408-02 0001501249 Martin Midstream Finance Corp. 333-169408-01