The phrase "an additional bounty" is correct and usable in written English.
It can be used when referring to an extra reward or incentive offered on top of an existing one.
Example: "The organization announced an additional bounty for information leading to the capture of the fugitive."
Alternatives: "an extra reward" or "a supplementary bounty."
"The government set about buying and impressing every gun it could find, offering additional bounties to any volunteer who would bring his own gun.
The Alaska Legislature in 2006 specifically exempted them from the basic requirement that Alaskans must spend most of the year in Alaska in order to collect the handout that's ranged from a low of $331.25 in 1984 to as much as $2,069 in 2008, a banner year, when then-Alaska Gov. Sarah Palin tacked an additional $1,200 "resource rebate" onto the bounty to offset climbing energy prices.
Already, Cloudflare has created a $50,000 prior art bounty — one matched by an anonymous donor who has pitched in an additional $50,000 — that it will begin paying out in several weeks, says Prince.
By July 11 , 2007 the bounty for information leading to the whereabouts of Bostic and Ellis reached $64,000, with the Patrolmen's Benevolent Association proposing an additional $25,000.
Rejoice lovers of petite-sized iPhones, for Apple is granting additional storage bounty — announcing today it's doubling the current storage capacity of the iPhone SE.
And Smith had an idea for a bounty.
Firms that want to challenge a patent post a bounty of at least $10,000 on BountyQuest's website and pay a posting fee of $2,500.
So, it's not really a reward, It a bounty.
I'm not an evangelist, I'm a bounty hunter".
Two additional squad members, bounty hunter Zaeed Massani (Robin Sachs) and master thief Kasumi Goto (Kym Lane), appear in the game's downloadable content packs Zaeed - The Price of Revenge and Kasumi - Stolen Memory respectively.
