HP will hold its annual shareholders meeting on March 20.
CtW is part of the labor coalition Change to Win, whose pension funds include about 7.8 million shares of HP stock, about 6.9 percent of the company's stock.
The ISS report released on Monday night stated a vote against Hammergen, Thompson and Lane is warranted for "failure to apply oversight of the due diligence process in connection with the Autonomy acquisition."
Since last year's shareholders' meeting, HP has announced about $17 billion in losses due to past acquisitions, including $8.8 billion from its acquisition of Autonomy in 2011, according to ISS.
ISS and the CtW Investment Group also want HP to terminate its contract with Ernst & Young, the company's current auditing firm.
Reach Paul J. Nyden at pjny...@wbgazette.com or 304-348-5164.