[8-K] Six Flags Entertainment Corporation/NEW Reports Material Event

About Six Flags Entertainment Corporation

Six Flags Entertainment Corporation (NYSE: FUN) is North America’s largest regional amusement-resort operator with 21 amusement parks, 14 water parks and
eight resort properties across 13 states in the U.S., Canada and Mexico. Focused on its purpose of making people happy, Six Flags provides fun, immersive and memorable experiences to millions of guests every year with world-class coasters, themed
rides, thrilling water parks, resorts and a portfolio of beloved intellectual property such as Looney Tunes^®, DC Comics^® and PEANUTS^®.

Forward-Looking Statements

Some of the statements contained in this news release that are not historical in nature are forward-looking statements within the meaning of the federal
securities laws, including Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, including statements as to our expectations, beliefs, goals and strategies regarding the
future. Words such as “anticipate,” “believe,” “create,” “expect,” “future,” “guidance,” “intend,” “plan,” “potential,” “seek,”
“synergies,” “target,” “will,” “would,” similar expressions, and variations or negatives of these words identify forward-looking statements. However, the absence of these words does not mean that the
statements are not forward-looking. Forward-looking statements by their nature address matters that are, to different degrees, uncertain. These forward-looking statements may involve current plans, estimates, expectations and ambitions that are
subject to risks, uncertainties and assumptions that are difficult to predict, may be beyond our control and could cause actual results to differ materially from those described in such statements. Although we believe that the expectations reflected
in such forward-looking statements are reasonable, we can give no assurance that such expectations will prove to be correct, that our growth and operational strategies will achieve the target results. Important risks and uncertainties that may cause
such a difference and could adversely affect attendance at our parks, our future financial performance, and/or our growth strategies, and could cause actual results to differ materially from our expectations or otherwise to fluctuate or decrease,
include, but are not limited to: failure to realize the anticipated benefits of the Merger, including difficulty in integrating the businesses of legacy Six Flags and legacy Cedar Fair; failure to realize the expected amount and timing of cost
savings and operating synergies related to the Merger; failure to realize the expected amount and timing of benefits related to the sale of parks and undeveloped land; adverse weather conditions; general economic, political and market conditions,
including global trade; the impacts of pandemics or other public health crises,

Six Flags
Entertainment Corporation – 8701 Red Oak Boulevard, Charlotte, NC 28217 – Phone: 704.414.4700