X0304 4 2012-02-28 0 0001338613 Regency Energy Partners LP RGP 0001245559 JOLAS PAUL M 2001 BRYAN STREET SUITE 3700 DALLAS TX 75201 0 1 0 0 EVP Chief Legal Officer Common Units 2012-02-28 4 S 0 8000 26.46 D 15141 D Common Units 2012-02-29 4 S 0 5000 26.35 D 10141 D Common Units 2012-03-01 4 S 0 5019 26.37 D 5122 D The price reported in Column 4 is a weighted average price. These units were sold in multiple transactions at prices ranging from $26.39 to $26.62, inclusive. The reporting person undertakes to provide Regency Energy Partners LP, any unitholder of Regency Energy Partners LP, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of units sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.37 to $26.44, inclusive. /s/ Paul M. Jolas 2012-03-01