She said her involved in an Ireland's Future event in Dublin and her coverage of abortion-related issues were cited as reasons for her exclusion from the conference at Belfast's Crowne Plaza Hotel.
The DUP has said it reserves the right to decide who attends its events after a journalist was refused entry to its party conference.
A DUP spokesman said: "At all times the party reserves the right to decide who attends its events. No one has a right to access events. "The party conference was watched by both media all over the world and in Northern Ireland through the live feed facility provided. Other full-time NI journalists chose to watch the live feed rather than attend in person.
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