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Antero Resources Corporation, an independent oil and natural gas company, engages in the development, production, exploration, and acquisition of natural gas, natural gas liquids (NGLs), and oil properties in the United States. It operates in three segments: Exploration and Development; Marketing; and Equity Method Investment in Antero Midstream. As of December 31, 2023, the company had approximately 515,000 net acres in the Appalachian Basin; and approximately 172,000 net acres in the Upper Devonian Shale. Its gathering and compression systems also comprise 631 miles of gas gathering pipelines in the Appalachian Basin. The company was formerly known as Antero Resources Appalachian Corporation and changed its name to Antero Resources Corporation in June 2013. Antero Resources Corporation was incorporated in 2002 and is headquartered in Denver, Colorado.

Boston Scientific Corporation develops, manufactures, and markets medical devices for use in various interventional medical specialties worldwide. It operates through two segments, MedSurg and Cardiovascular. The company offers devices to diagnose and treat gastrointestinal and pulmonary conditions, such as resolution clips, biliary stent systems, stents and electrocautery enhanced delivery systems, direct visualization systems, digital catheters, and single-use duodenoscopes; devices to treat urological conditions, including ureteral stents, catheters, baskets, guidewires, sheaths, balloons, single-use digital flexible ureteroscopes, holmium laser systems, artificial urinary sphincter, laser system, fiber, and hydrogel systems; and devices to treat neurological movement disorders and manage chronic pain, such as spinal cord stimulator system, proprietary programming software, radiofrequency generator, indirect decompression systems, practice optimization tools, and deep brain stimulation system. It also provides technologies for diagnosing and treating coronary artery disease and aortic valve conditions; WATCHMAN FLX, a Left Atrial Appendage Closure Device; and implantable devices that monitor the heart and deliver electricity to treat cardiac abnormalities, such as cardioverter and cardiac resynchronization therapy defibrillators, MRI S-ICD systems, cardiac resynchronization therapy pacemakers, quadripolar LV leads, ICD leads, pacing leads, remote patient management systems, insertable cardiac monitor systems, and remote cardiac monitoring systems. In addition, the company offers diagnosis and treatment of rate and rhythm disorders of the heart; peripheral arterial and venous diseases; and products to diagnose, treat and ease forms of cancer. The company was incorporated in 1979 and is headquartered in Marlborough, Massachusetts.

Gold Standard Ventures Corp., an exploration stage company, engages in the development of district-scale and other gold-bearing mineral resource properties in Nevada, the United States. Its flagship property is the Railroad-Pinion project covering an area of approximately 53,570 acres located in the Elko County, Nevada. The company was incorporated in 2004 and is headquartered in Vancouver, Canada. As of August 12, 2022, Gold Standard Ventures Corp operates as a subsidiary of Orla Mining Ltd.

PowerShares FTSE RAFI Asia Pacific ex-Japan Portfolio (the Fund) is based on the FTSE RAFI Developed Asia Pacific ex Japan Index (Index). The Fund will normally invest at least 90% of its total assets in securities that comprise the Index and American Depositary Receipts (ADRs) based on the securities in the Index. The Index is designed to track the performance of the largest equities of companies domiciled in the Asia Pacific region (excluding Japan), selected based on the four fundamental measures of firm size: book value, income, sales and dividends. The 1000 equities with the highest fundamental strength are weighted according to their fundamental scores. The fundamentally weighted portfolio is rebalanced and reconstituted annually. The Fund invests in consumer discretionary, consumer staples, energy, financials, health care, industrials, information technology and telecommunicaiton services sectors. The Fund's investment advisor is Invesco PowerShares Capital Management LLC.