Key Takeaways SLG agreed to sell a 49% stake in 100 Park Avenue via a JV with Rockpoint at a $425 million valuation.The JV will enhance balance sheet flexibility for SLG, aiding capital efficiency.The Midtown tower's prime location and amenities support leasing momentum and potential valuation upside.SL Green (SLG) recently announced that it has entered into a joint venture (JV) with Rockpoint, a Boston, MA-based real estate private equity firm. Under the arrangement, SLG has agreed to sell 49% stake in 100 ...