| Date Filed | Type | Description |
| 09/03/2010 |
EFFECT
| Form EFFECT - |
| 09/01/2010 |
25-NSE
| Form 25-NSE - |
| 09/01/2010 |
8-K
| Quarterly results |
| 09/01/2010 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 09/01/2010 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement |
| 09/01/2010 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 07/29/2010 |
8-K
| Form 8-K - Current report |
| 07/29/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 07/29/2010 |
PRN
| Williams Pipeline Partners L.P. Reports Second-Quarter 2010 Financial Results |
| 05/26/2010 |
SC 13D/A
| WILLIAMS COMPANIES INC has filed a Schedule 13D for Williams Pipeline Partners L.P. |
| 05/26/2010 |
8-K
| Entry into a Material Definitive Agreement, Other Events, Financial Statements and Exhibits |
| 05/26/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 05/25/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 05/25/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 05/05/2010 |
SC 13D/A
| WILLIAMS COMPANIES INC has filed a Schedule 13D for Williams Pipeline Partners L.P. |
| 05/05/2010 |
8-K
| Quarterly results |
| 05/05/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 04/22/2010 |
PRN
| Williams Pipeline Partners L.P. Declares Per-Unit Cash Distribution of 33.5 Cents for First-Quarter 2010 |
| 02/23/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/22/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 02/22/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 02/19/2010 |
SC 13D/A
| WILLIAMS COMPANIES INC reports a 0% stake in Williams Pipeline Partners L.P. |
| 02/18/2010 |
8-K
| Form 8-K - Current report |
| 02/12/2010 |
SC 13G/A
| WILLIAMS PIPELINE PARTNERS L.P. reports a 9.8% stake in Williams Pipeline Partners, LP |
| 02/11/2010 |
SC 13G/A
| WILLIAMS PIPELINE PARTNERS L.P. reports a 7.2% stake in Williams Pipeline Partners L.P. |
| 01/26/2010 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
| 01/19/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 01/19/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 01/19/2010 |
SC 13D/A
| WILLIAMS COMPANIES INC has filed a Schedule 13D for Williams Pipeline Partners L.P. |
| 01/19/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 01/19/2010 |
425
| Form 425 - Prospectuses and communications, business combinations |
| 10/29/2009 |
8-K
| Form 8-K - Current report |
| 10/29/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/31/2009 |
8-K
| Form 8-K - Current report |
|