The Pennsylvania Public School Employees’ Retirement System plans to pledge another $250 million to the credit and special-situations arm of TPG Capital. This would raise the $51.9 billion pension investor’s total commitments to TPG Special Situations Partners to $850 million from $600 million, state documents show. Of that, the amount committed to a separately managed account, PSERS TAO Partners Parallel Fund LP, would expand to $500 million from $250 million. The state pension fund also has another $684.2 billion committed to TPG private equity funds, bringing its exposure to the firm to over $1 billion. The latest mandate that the...