AES Gener S.A.
(a sociedad anónima abierta, or a publicly traded open stock corporation,
organized under the laws of the Republic of Chile)

OFFER TO PURCHASE FOR CASH

Any and All of its Outstanding 5.250% Senior Notes due 2021
and
its 5.000% Senior Notes due 2025


    Title of Notes

CUSIP and ISIN Numbers

Aggregate Principal Amount Outstanding


5.250% Senior Notes due 2021


CUSIP: 00105D AC9 / P0607J AE8;
ISIN: US00105DAC92 / No. USP0607JAE84


U.S.$191,682,000


5.000% Senior Notes due 2025


CUSIP: 00105D AE5 / P0607L AB9;
ISIN: US00105DAE58 / USP0607LAB91


U.S.$172,363,000

To view copies of the Offer To Purchase document(s) please click on the document(s) below

Offer to Purchase

Notice of Guaranteed Delivery

The Tender and Information Agent for the Tender Offer is:

D.F. King & Co., Inc.

48 Wall Street, 22nd Floor
New York, NY 10005
Attn: Andrew Beck
Fax: (212) 709-3296
Banks and Brokers call: +1 (212) 269-5550
Toll-Free +1 (877) 297-1447
E-mail: aes@dfking.com

By Mail:

48 Wall Street, 22nd Floor
New York, NY 10005

By Overnight Courier:

48 Wall Street, 22nd Floor
New York, NY 10005

By Hand:

48 Wall Street, 22nd Floor
New York, NY 10005


By Facsimile: (For Eligible Institutions only):


(212) 709-3328
Confirm by telephone:
(212) 269-5552
Attn: Andrew Beck

The Dealer Managers for the Tender Offer are:

BofA Securities, Inc.

One Bryant Park
New York, New York 10036
Attn: Liability Management
Collect: (646) 855-8988
Toll Free: (800) 292-0070

Citigroup Global Markets Inc.

388 Greenwich Street, 7th Floor
New York, New York 10013
Attn: Liability Management Group
Collect: (212) 723-6106
Toll-Free: (800) 558-3745


Goldman Sachs & Co. LLC

200 West Street
New York, New York 10282
Attn: Liability Management Group
Toll-Free: (800) 828-3182
Collect: (212) 902-6351


J.P. Morgan Securities LLC

383 Madison Avenue
New York, New York 10179
Attn: Latin America Debt Capital Markets
Toll-Free: (866) 846-2874
Collect: (212) 834-7279


Santander Investment Securities Inc.

45 East 53rd Street, 5th Floor
New York, New York 10022
Attn: Liability Management Group
Toll Free: (855) 404-3636
Collect: (212) 940-1442