(Adds: Silica Holdings, I Squared Capital, Updates: Anglo...

(Adds: Silica Holdings, I Squared Capital, Updates: Anglo American, Thyssenkrupp, Thoma Bravo, OTP Bank)

April 26 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Friday:

		** Anglo American  AAL.L  rejected rival miner BHP 
Group's  (BHP)  31.1 billion pound ($39 billion) takeover 

proposal , saying the bid significantly undervalued the London-listed company and its future prospects.

		** U.S. Silica Holdings  SLCA.N  said  it has signed a 
deal to be acquired by funds managed by affiliates of investment 

firm Apollo APO.N in a $1.85 billion deal, sending shares of the frac sand miner up 19.1% in premarket trading.

		** Thyssenkrupp will sell a 20% stake in its steel 
business to the energy holding controlled by Czech billionaire 

Daniel Kretinsky, a major breakthrough for the German conglomerate after years of unsuccessful attempts to divest the unit.

		** Amber, a vehicle of infrastructure fund I Squared 
Capital Advisors and TDR Capital, submitted the highest bid for 

Spain's Applus+, Spanish regulator CNMV said , valuing the industrial testing firm at 1.65 billion euros ($1.77 billion).

		** Private equity firm Thoma Bravo agreed to buy 
Britain's Darktrace  DARK.L  for $5.32 billion in cash , saying 

it would use its software expertise to drive growth at the Mike Lynch-backed cybersecurity company.

		** Hungary's OTP Bank  OTPB.BU  is preparing for its 
biggest acquisition so far after making an indicative offer to a 

bank operating in the European Union, its CEO said.

** Buyout firm L Catterton has agreed to buy a majority stake in family-owned KIKO Milano in a deal which a source close to the matter said valued the Italian accessible make-up maker at around 1.4 billion euros ($1.5 billion) including debt.

** Italy's government has given a conditional green light to Vitol's plan to take over oil refiner Saras SRS.MI , the global commodity trader said in a statement.

** Private equity firm GTCR has agreed to pay $2.7 billion to buy AssetMark Financial AMK.N , in a deal that would take the wealth management platform private more than five years after its initial public offering.

** The U.S. Federal Communications Commission said on Thursday it will approve the T-Mobile US TMUS.O deal to buy Ka'ena Corp, the owner of budget service provider Mint Mobile, for up to $1.35 billion.