X0305 4 2012-05-25 0 0000805022 BUCKEYE PARTNERS, L.P. BPL 0001421497 Muslih Khalid A ONE GREENWAY PLAZA SUITE 600 HOUSTON TX 77046 0 1 0 0 SVP, Corp. Dev. & Strgc. Plng. Limited Partnership Units 2012-05-25 4 S 0 100 47.792 D 30301 D Limited Partnership Units 2012-05-25 4 S 0 762 47.80 D 29539 D Limited Partnership Units 2012-05-25 4 S 0 937 47.81 D 28602 D Limited Partnership Units 2012-05-25 4 S 0 300 47.812 D 28302 D Limited Partnership Units 2012-05-25 4 S 0 100 47.814 D 28202 D Limited Partnership Units 2012-05-25 4 S 0 800 47.82 D 27402 D Limited Partnership Units 2012-05-25 4 S 0 368 47.83 D 27034 D Limited Partnership Units 2012-05-25 4 S 0 100 47.844 D 26934 D Limited Partnership Units 2012-05-25 4 S 0 100 47.85 D 26834 D Limited Partnership Units 2012-05-25 4 S 0 100 47.852 D 26734 D Limited Partnership Units 2012-05-25 4 S 0 100 47.856 D 26634 D Limited Partnership Units 2012-05-25 4 S 0 100 47.86 D 26534 D Limited Partnership Units 2012-05-25 4 S 0 100 47.87 D 26434 D Limited Partnership Units 2012-05-25 4 S 0 100 47.872 D 26334 D Limited Partnership Units 2012-05-25 4 S 0 132 47.8755 D 26202 D Limited Partnership Units 2012-05-25 4 S 0 300 47.88 D 25902 D Limited Partnership Units 2012-05-25 4 S 0 100 47.89 D 25802 D Limited Partnership Units 2012-05-25 4 S 0 100 47.8928 D 25702 D Limited Partnership Units 2012-05-25 4 S 0 300 47.90 D 25402 D Limited Partnership Units 2012-05-25 4 S 0 100 47.9548 D 25302 D Limited Partnership Units 2012-05-25 4 S 0 1600 47.97 D 23702 D The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2012 and modified on May 14, 2012. /s/ Todd J. Russo, as attorney-in-fact for Khalid A. Muslih 2012-05-29