April 16, 2018 - The lead plaintiff filed a notice of voluntary dismissal of one certain defendant.
September 19, 2017 - The court granted in part and denied in part defendants' motion to dismiss.

January 20, 2017 - Defendants filed a motion to dismiss.

December 9, 2016 - The lead plaintiff filed an amended complaint on behalf of investors who purchased VimpelCom Ltd (ADR) (NASDAQ: VIP) common shares between December 4, 2010 and November 3, 2015. The lead plaintiff alleges that the defendants violated the Securities Exchange Act of 1934 by issuing false and misleading statements between December 4, 2010 and November 3, 2015.

April 27, 2016 - Lead plaintiff and lead counsel were appointed and all cases were consolidated.

January 4, 2016 - Lead plaintiff motions were filed.

November 4, 2015 - An investor in shares of VimpelCom Ltd (ADR) (NASDAQ: VIP) filed a lawsuit in the U.S. District Court for the Southern District of New York over alleged violations of Federal Securities Laws by VimpelCom Ltd in connection with certain allegedly false and misleading statements made between June 30, 2011 and November 2, 2015.

According to the complaint the plaintiff alleges on behalf of purchasers of VimpelCom Ltd (ADR) (NASDAQ: VIP) common shares between June 30, 2011 and November 2, 2015, that the defendants violated Federal Securities Laws. More specifically, the plaintiff claims that between June 30, 2011 and November 2, 2015 defendants made allegedly false and/or misleading statements and/or allegedly failed to disclose that VimpelCom Ltd had paid tens of millions of dollars to a company controlled by Gulnara Karimova (“Karimova”), daughter of the president of Uzbekistan, that the payments to Karimova were unlawful bribes intended to secure VimpelCom Ltd’s access to Uzbekistan’s telecommunications market, and that as a result of the foregoing, Defendants’ statements about VimpelCom Ltd’s business, operations, and prospects were false and misleading and/or lacked a reasonable basis.

On March 12, 2014, VimpelCom Ltd announced that it was facing investigations by both the SEC and Dutch authorities related to its operations in Uzbekistan.

On March 18, 2014, VimpelCom Ltd reported that it was the focus of an investigation by the U.S. Department of Justice related to VimpelCom Ltd’s operations in Uzbekistan.

On June 29, 2015, the U.S. Department of Justice announced that it was joining a group of European nations in a telecom corruption probe involving VimpelCom Ltd and Mobile TeleSystems OJSC.

On August 13, 2015 it was reported that U.S. authorities had asked their European counterparts to seize roughly $1 billion in assets in a wide-ranging criminal probe of alleged corruption by VimpelCom Ltd and two other companies, Mobile TeleSystems PJSC (“MTS”) and TeliaSonera AB (“TeliaSonera”), for paying hundreds of millions of dollars to businesses controlled by Karimova to secure wireless spectrum in Uzbekistan.

On November 3, 2015, VimpelCom Ltd announced that it had set aside $900 million for litigation costs in connection with U.S. and Dutch investigations into the Company’s operations in Uzbekistan.

On November 4, 2015, NASDAQ: VIP shares closed at $3.41 per share.