NATIONAL ENERGY BOARD

IN THE MATTER OF

the

National Energy Board Act

,

R.S.C. 1985, c. N-7, as amended, (“

NEB Act

”)

and the Regulations made thereunder;

AND IN THE MATTER OF

the

Canadian Environmental Assessment Act

, 2012,

S.C. 2012, c. 37, as amended,

and the Regulations made thereunder;

AND IN THE MATTER OF

an application by Trans Mountain Pipeline ULC

as General Partner of Trans Mountain Pipeline L.P.

(collectively “Trans Mountain”)

for a Certificate of Public Convenience and Necessity and

other related approvals pursuant to Part III of the

NEB Act

CONSULTATION UPDATE NO. 1 & ERRATA

FOR

THE TRANS MOUNTAIN EXPANSION PROJECT

March 2014

To: The Secretary

The National Energy Board

444 — 7th Avenue SW

Calgary, AB T2P 0X8