EL PASO NATURAL GAS CO LLC

Q: Mar 31 2012

FY: Dec 31 2011

Q: Sep 30 2011

Q: Jun 30 2011

Q: Mar 31 2011

FY: Dec 31 2010

Q: Sep 30 2010

Q: Jun 30 2010

Q: Mar 31 2010

FY: Dec 31 2009

Q: Sep 30 2009

Q: Jun 30 2009

Q: Mar 31 2009

FY: Dec 31 2008

Q: Sep 30 2008

Q: Jun 30 2008

Q: Mar 31 2008

FY: Dec 31 2007

Q: Nov 2 2007

Q: Jun 30 2007

1.01,2.03,9.01

8.01

8.01

1.01,2.03,9.01

1.01,2.03,3.03,9.01

Other Events

Regulation FD Disclosure

Entry into a Material Definitive Agreement

Changes in Registrant.s Certifying Accountant

4.01,9.01

Changes in Registrant.s Certifying Accountant

8.01

8.01,9.01

8.01,9.01

8.01

1.01,2.03,8.01,9.01

5,7

5,7

5

5,7

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Definitive Proxy Statement

No description available

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

No description available

No description available

No description available

Definitive Proxy Statement

Required Information in Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

AMVESCAP PLC \GA\

OPPENHEIMER CAPITAL

OPPENHEIMER CAPITAL

GOLDMAN SACHS GROUP LP

BANKERS TRUST NEW YORK CORP

BANKERS TRUST NEW YORK CORP

INVESCO PLC

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)