** S&P 500 energy index .SPNY down 1.1%, tracking a fall in oil prices O/R

** Brent crude futures LCOc1 down 0.8% at $64.87/barrel; U.S. West Texas Intermediate crude futures CLc1 down 0.9% at $61.49/barrel

** Oil prices dipped after the U.S. government released bearish data on crude and fuel supplies ahead of the U.S. summer driving season, a period of higher demand

** Top oil and gas majors: Exxon Mobil XOM.N down marginally, and Chevron CVX.N down ~1%

** ConocoPhillips COP.N, APA Corp APA.O, Valero Energy VLO.N and Phillips 66 PSX.N down between 1.9% and 5.9%; among the top percentage losers on the energy index

** Oilfield services companies SLB SLB.N and Halliburton HAL.N down 1.5% and 2.2%, respectively

** Refiner HF Sinclair DINO.N down 2.2%

** Phillips 66 and activist investor Elliott Investment Management each won two seats on the oil refiner's board at an annual shareholders meeting on Wednesday, capping one of the biggest corporate boardroom battles of the year

(Reporting by Pooja Menon in Bengaluru)

((Pooja.Menon@thomsonreuters.com;))