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PLANO, TEXAS — Cawley Partners, a Dallas-based office development and management firm, will develop HQ53, a 200,000-square-foot office building located at the corner of Headquarters Drive and Dominion Parkway in Plano. The five-story building will feature a fitness center, café, conference center and ground-floor patio lounge. Preleasing is currently underway for HQ53, which has a target delivery date of first-quarter 2020.