EDGAR Filing Documents for 0001047469-10-005578

Form SUPPL - Voluntary Supplemental Material by Foreign Issuers [Section 11(a)]:

SEC Accession No. 0001047469-10-005578

Filing Date

2010-05-26

Accepted

2010-05-26 12:17:07

Documents

Effectiveness Date

2010-05-26

Document Format Files

Seq	Description	Document	Type	Size
1	SUPPLMENT	a2198953zsuppl.htm	SUPPL	368901
2	G522936.JPG	g522936.jpg	GRAPHIC	15993
3	G196375.JPG	g196375.jpg	GRAPHIC	16162
4	G376564.JPG	g376564.jpg	GRAPHIC	16508
	Complete submission text file	0001047469-10-005578.txt		437759

Mailing Address 450 I STREET SW CALGARY ALBERTA A0 T2P 5H1

Business Address 450 -1ST STREET SW P O BOX 1000 STATION M CALGARY ALBERTA A0 T2P 5H1 4039206411

TRANSCANADA PIPELINES LTD (Filer) CIK: 0000099070 (see all company filings)

IRS No.: 522179728 | Fiscal Year End: 1231
Type: SUPPL | Act: 98 | File No.: 333-163641 | Film No.: 10858920
SIC: 4922 Natural Gas Transmission