(Updates with expected offering terms)
** * Shares of Riot Platforms RIOT.O down 5.9% to $12.19
premarket as it seeks capital to acquire additional bitcoin
BTC=
** Colorado-based bitcoin miner offering privately $500 mln
6-yr convertible bonds (CBs)
** Active bookrunners Citigroup, BTIG and Cantor marketing
CBs with 0.75%-1.25% coupon, 30%-35% convertible premium,
according to term sheet seen by Reuters
** Offering slated to price Mon after market close
**
(Reporting by Lance Tupper and Chuck Mikolajczak
Lance Tupper is a Reuters market analyst. The views expressed
are his own)
((lance.tupper@tr.com 1-646-279-6380))