Hyatt Hotels Corporation, a leading global hospitality company, reported strong financial results for the first quarter of 2023. The company's net income was $58 million in the first quarter of 2023 compared to a net loss of $73 million in the first quarter of 2022. Adjusted net income was $45 million in the first quarter of 2023 compared to an adjusted net loss of $36 million in the first quarter of 2022.
Diluted earnings per share (EPS) were $0.53 in the first quarter of 2023 compared to $(0.67) in the first quarter of 2022. Adjusted diluted EPS was $0.41 in the first quarter of 2023 compared to $(0.33) in the first quarter of 2022. Adjusted earnings before interest, taxes, depreciation, and amortization (EBITDA) was $268 million in the first quarter of 2023 compared to $169 million in the first quarter of 2022.
Comparable system-wide revenue per available room (RevPAR) increased 42.9% in the first quarter of 2023 compared to the same period in 2022. Comparable owned and leased hotels' RevPAR increased 52.9% in the first quarter of 2023 compared to the same period in 2022. Comparable owned and leased hotels operating margin improved to 25.9% in the first quarter of 2023. Comparable all-inclusive net package RevPAR increased 33.2% in the first quarter of 2023 compared to the same period in 2022. The company's net room growth was approximately 7.0% in the first quarter of 2023, and the pipeline of executed management or franchise contracts was approximately 117,000 rooms. During the quarter, the company repurchased approximately 1.02 million shares for $106 million. Mark S Hoplamazian, President and Chief Executive Officer of Hyatt, said, "For the fourth consecutive quarter, we posted record results that exceeded our expectations, demonstrating our unique positioning and differentiated model. We raised our full-year RevPAR outlook while maintaining our record-level pipeline and industry-leading net room growth. During the quarter, the recovery in Asia Pacific was particularly remarkable, with broad improvements across the region. We continue to experience favorable booking trends, and our outlook remains optimistic."
The company's comparable system-wide RevPAR was up 43% compared to the first quarter of 2022, or up 6% compared to the first quarter of 2019 for the same set of comparable properties. In the first quarter of 2023, the RevPAR recovery was powered by average rate growth, up 12% on a constant currency basis, while occupancy improved 1,400 basis points compared to the same period in 2022. A record level of total management, franchise, license, and other fees of $231 million was generated in the first quarter of 2023, up 50% compared to the first quarter of 2022.
The ALG all-inclusive portfolio also experienced strong growth. Comparable net package RevPAR for ALG properties increased 30% in the Americas and increased 36% in Europe in the first quarter of 2023 compared to the same period in 2022. World of Hyatt member contribution accounted for 21% of room nights at ALG properties in the Americas during the quarter.
The company's owned and leased hotels segment saw results led by continued recovery from group and business travel. Additionally, strong operating performance led to improved margins for the comparable set of properties. Owned and leased hotels adjusted EBITDA increased by $44 million, or 151