Nigeria, April 9 -- The Nigerian Exchange Limited (NGX) has shown DN Tyre & Rubber, marketer of Dunlop tyres in Nigeria, and Greif Nigeria the exit door, following a regulatory review that revealed both manufacturers' inability to measure up to listing standards.

At a meeting of the board of NGX Regulation Limited (NGX RegCo), the market watchdog arm of the Nigerian Exchange Plc agreed to take the duo out of the daily official list of the bourse, NGX stated in a note to issuers. The exit takes effect from Thursday 9 April.

"NGX RegCo engaged DN Tyre with a view to returning the company to its compliance status for the past twelve (12) years," the statement said.

"When these efforts did not yield results, NGX RegCo served the Company wi...