The deadline for PEARC17 Poster, Visualization Showcase, and Birds-of-a-Feather submissions has been extended from May 1 to May 8. Submissions should emphasize experiences and lessons derived from operation and use of advanced research computing on campuses or provided for the academic and open science communities. Submissions that align with the conference theme—Sustainability, Success, and Impact—are particularly encouraged. See the Call for Participation for more information.Students with accepted posters are eligible for financial support to cover the costs of airfare, shared lodging, and registration fees.