TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

Regulation FD Disclosure

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Annual report pursuant to Section 13 or 15(d)

Correspondence with the SEC

Registration statement under Securities Act of 1933

Entry into a Material Definitive Agreement

Other Events

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

7.01,9.01

7.01,9.01

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Registration statement under Securities Act of 1933

1.01,2.03,9.01

8.01,9.01

7.01,9.01

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Registration statement under Securities Act of 1933

1.02,2.03

1.01,2.03,9.01

1.01,2.03,9.01

8.01,9.01

1.01,9.01

7.01,9.01

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

1.01,2.03,9.01

8.01,9.01

1.01,2.03,9.01

1.01,2.03,9.01

1.01,9.01

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Prospectus Supplement for Primary Offering

Letter from the SEC

Correspondence with the SEC