U.K.-listed Rio Tinto PLC (RTP) said Thursday that shareholders at its annual general meeting approved three resolutions, none of which are related to its planned $19.5 billion alliance with Aluminum Corp. of China Ltd. (ACH), or Chinalco.

The resolutions passed included one for an increase in authorized share capital, one on the disapplication of pre-emption rights and another on a notice period for general meetings other than annual general meetings.

The resolutions are "standard" resolutions for shareholders, said Robin Walker, a Rio Tinto spokesman.

"Seeking authority to allot a third of the total issued share capital is specifically supported by the (Association of British Insurers) and allows companies to have maximum flexibility to respond quickly to business and economic developments," Walker said.

The resolution on the disapplication of pre-emption rights gives Rio's directors authority to issue up to 5% of the company's combined issued share capital. This resolution only applies to direct issues of equity and not convertible bonds that are proposed to be used in the Chinalco deal.

Also, the Chinalco deal would require the issuance of shares equivalent to 9% of Rio's combined equity capital.

"This is a standard resolution that we put before shareholders each year," Walker said. "It is an approach that is very common amongst listed U.K. companies and the boards would recommend the adoption by shareholders of this resolution regardless of the Chinalco transaction."

-By Matthew Walls, Dow Jones Newswires; +44 (0)20 7842 9412; matthew.walls@dowjones.com