6-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2018

TRANSALTA CORPORATION

(Translation of registrant’s name into English)

110-12^th Avenue S.W., Box 1900, Station “M”, Calgary, Alberta, T2P 2M1

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F Form 40-F X

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____

I

The document listed below as Exhibit 99.1 to this Form 6-K is a copy of the Registrant’s news release dated October 10, 2018 announcing “TransAlta Declares Dividends”.

This news release is being furnished, not filed, and will not be incorporated by reference into any registration statement filed by TransAlta Corporation under the Securities Act of 1933, as amended.

99.1 “TransAlta Declares Dividends”

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

TransAlta Corporation

By:  /s/Brett Gellner

Brett Gellner

Acting Chief Financial Officer

Date: October 10, 2018 

 EXHIBIT INDEX

99.1 Press release dated October 10, 2018 announcing “TransAlta Declares Dividends”

EX-99.1

Exhibit 99.1

TransAlta Declares Dividends

CALGARY, Oct. 10, 2018 /CNW/ - The Board of Directors of TransAlta Corporation (TSX: TA) (NYSE: TAC) today declared a quarterly dividend of $0.04 per common share payable on January 1, 2019 to shareholders of record at the close of business on December 3, 2018.

The Board of Directors also declared the following quarterly dividend on its Cumulative Redeemable Rate Reset First Preferred Shares for the period starting from and including September 30, 2018 up to but excluding December 31, 2018:

Preferred Shares	TSX Stock Symbol	Dividend Rate	Dividend Per Share	Record Date	Payment Date
Series A	TA.PR.D	2.709%	$0.16931	December 3, 2018	December 31, 2018
Series B*	TA.PR.E	3.539%	$0.22301	December 3, 2018	December 31, 2018
Series C	TA.PR.F	4.027%	$0.25169	December 3, 2018	December 31, 2018
Series E	TA.PR.H	5.194%	$0.32463	December 3, 2018	December 31, 2018
Series G	TA.PR.J	5.300%	$0.33125	December 3, 2018	December 31, 2018
*Please note the quarterly floating rate on the Series B Preferred Shares will be reset every quarter.

All currency is expressed in Canadian dollars except where noted. When the dividend payment date falls on a weekend or holiday, the payment is made the following business day.

About TransAlta Corporation:

TransAlta owns, operates and develops a diverse fleet of electrical power generation assets in Canada, the United States and Australia with a focus on long-term shareholder value. We provide municipalities, medium and large industries, businesses and utility customers clean, affordable, energy efficient, and reliable power. Today, we are one of Canada's largest producers of wind power and Alberta's largest producer of hydro-electric power. For over 100 years, TransAlta has been a responsible operator and a proud community-member where its employees work and live. TransAlta aligns its corporate goals with the UN Sustainable Development Goals and we have been recognized by CDP (formerly Climate Disclosure Project) as an industry leader on Climate Change Management. We are also proud to have achieved the Silver level PAR (Progressive Aboriginal Relations) designation by the Canadian Council for Aboriginal Business.

For more information about TransAlta, visit our web site at transalta.com.

View original content:http://www.prnewswire.com/news-releases/transalta-declares-dividends-300729124.html

SOURCE TransAlta Corporation

View original content: http://www.newswire.ca/en/releases/archive/October2018/10/c7798.html

%CIK: 0001144800

For further information: Investor Inquiries: Sally Taylor, Manager, Investor Relations, Phone: 1-800-387-3598 in Canada and U.S., Email: investor_relations@transalta.com; Media Inquiries: Stacey Hatcher, Manager, Communications, Phone: Toll-free media number: 1-855-255-9184, Email: ta_media_relations@transalta.com

CO: TransAlta Corporation

CNW 20:16e 10-OCT-18