BP Share News (BP.)

* Gulf gasoline slips on weak demand * NY Harbor RBOB slightly weaker, thin trading seen HOUSTON, Sept 17 (Reuters) - Chicago gasoline and ultra-low sulfur dieseldifferentials rose on Tuesday after Marathon Petroleum Corp said itwould shut five units at a Kentucky plant for maintenance and another refinerstepped into the market, traders said. Marathon said it planned to shut crude distillation, vacuum, continuouscatalytic regeneration, guard case and vacuum gas oil units next week at its240,000 barrel-per-day (bpd) Catlettsburg refinery. Chicago CBOB gasoline differentials rose 3.00 cents a gallon to 2.00/4.00cents over October RBOB futures traded on the New York Mercantile Exchange asother refineries bid up the grade. Traders said talk of a startup of a fluid catalytic converter at BP Plc's 405,000 bpd Whiting, Indiana, refinery could still dampen CBOB's values. Chicago ULSD rose 0.75 cent a gallon to 3.00/3.50 cents over October heatingoil futures. Group Three gasoline - now the V grade - extended losses as demand wanedtowards the end of the summer driving season. The differentials were 2.00 centsa gallon lower at 3.50/2.50 cents under October RBOB gasoline futures. Group Three ULSD fell 0.25 cent a gallon to 2.50/3.50 cents over Octoberheating oil futures. On the U.S. Gulf Coast, gasoline differentials slid on Tuesday as demandweakened in the well-supplied region, traders said. A3 CBOB fell by 0.75 cent per gallon to 17.25 cents under October RBOBfutures, while conventional M3 gasoline slipped by 1.75 cents per gallon to13.75 cents under, traders said. Gulf heating oil differentials were seen slightly higher, up by a quartercent per gallon in a bid-offer spread of 14.25/13.75 cents under October heatingoil futures, as the market focused on the fuel's new five-day lifting cycle. In the New York Harbor, traders were noting thin trading volume. Prompt F4 grade RBOB gasoline traded at 1.00 cent under the October RBOBfutures benchmark, slightly weaker after trades on Monday seen at 0.75 and 0.60cent under the benchmark. F4-grade supply for later in the month traded at 0.75 cent under thebenchmark. Trading for F2 summer grade finished last week, with the market now focusedon F4 winter grade. M3 conventional gasoline remained pegged either side of 7.00 cents over thefutures benchmark, the level where offers were seen on Monday. Prompt jet fuel retained its strength, with offers still pegged at 5.50under the October heating oil futures benchmark, where sellers were seen onFriday. Bids were pegged at 6.50 cents under the benchmark. Ultra-low sulfur diesel still had sellers' offers at flat to the heating oilfutures benchmark, with bids at 0.25 cent under, where it traded on Monday. Offers for 88-grade heating oil were seen at 8.00 cents under the Octoberbenchmark, after heating oil was pegged on Monday either side of 8.75 centsunder the benchmark. Renewable identification number (RIN) credits were weaker for a secondconsecutive day on Tuesday. Ethanol RINs for the 2013 compliance year traded at54.5 cents each, traders said, down 3.5 cents from trades at 58 cents late on Monday. For more refinery news, please go to Latest day Timing NYMEX Bid Offer Change Contract U.S. GULF COAST <0#P-USG> * Scheduling A3 CBOB gasoline Cycle 53 RBOB -17.50 -17.00 -0.75 M3 conventional gasoline Cycle 53 RBOB -14.00 -13.50 -1.75 62-grade ULSD Cycle 53 HO -3.75 -3.25 0.00 54-grade jet fuel * Cycle 53 HO -12.00 -11.00 0.00 Heating oil Cycle 54 HO -14.25 -13.75 0.25 NEW YORK HARBOR <0#P-NYH> M2 conventional gasoline Prompt RBOB 6.75 7.25 0.25 Any-Month RBOB 7.75 8.00 0.00 F2 RBOB Prompt RBOB -1.25 -1.00 -0.50 Any-Month RBOB -0.75 -0.60 0.25 ULSD Prompt HO -0.25 0.00 -0.25 Any-Month HO 0.00 0.50 0.00 Heating oil Prompt HO -8.25 -8.00 0.75 Any-Month HO -8.50 -8.25 0.00 Jet fuel Prompt HO -6.50 -5.50 0.00 Any-Month HO -3.00 -2.50 0.00 MIDWEST <0#P-G3> <0#P-MC> Chicago CBOB gasoline Cycle 3 RBOB 2.00 4.00 3.00 Chicago ULSD Cycle 3 HO 3.00 3.50 0.75 Group Three gasoline RBOB -3.50 -2.50 -2.00 Group Three ULSD HO 2.50 3.00 -0.25 (Reporting by Kristen Hays in Houston and Robert Gibbons and Sabina Zawadzki inNew York; editing by Jim Marshall)