oauth 2.0 - Member xxxx does not have permission to get company yyy -

i followed process access_token on linkedin company api.

query fired:https://api.linkedin.com/v1/companies/company_id/updates?oauth2_access_token=generated access token&format=xml&event-type=status-update&count=5 , giving error as:

4031437462043823r8lel3eui20member yy not have permission company xx

note:user has been given admin rights on company page.