1 Exhibit 2-A AGREEMENT AND PLAN OF MERGERMerger Agreement • March 2nd, 2000 • Columbia Energy Group • Natural gas transmisison & distribution • New York
AMENDMENT NO. 1 TO THE U.S. $900,000,000 CREDIT AGREEMENTCredit Agreement • March 2nd, 2000 • Columbia Energy Group • Natural gas transmisison & distribution • New York
AMENDMENT NO. 1364-Day Credit Agreement • March 2nd, 2000 • Columbia Energy Group • Natural gas transmisison & distribution • New York
