In 2023, we entered into an agreement with an unaffiliated water disposal company to dispose of a minimum volume of produced water over a term of seven years, for a total financial commitment of approximately $28.0 million, undiscounted. We began delivering produced water under this agreement in June 2023. As of June 30, 2023, we had short-term purchase obligations for products and services of approximately $39.8 million due in the next twelve months. See Item 1. Financial Statements ─ Note 10. Commitments and Contingencies.
Dividends and Distributions
On March 3, 2023 and May 8, 2023, we announced that our Board of Directors had declared quarterly dividends of $0.09 per share for the first and second quarter of 2023, respectively, on our Class A common stock. In conjunction with the dividend payments, a distribution of $0.09 per unit was paid to unit holders of Solaris LLC for both the first quarter and second quarter of 2023, subject to the same payment and record dates.
On August 2, 2023, we announced that our Board of Directors had declared a quarterly dividend of $0.09 per share for the third quarter of 2023 on our Class A common stock. The dividend will be paid on September 28, 2023, to holders of record of our Class A common stock as of the close of business on September 14, 2023. In conjunction with the dividend payment, a distribution of $0.09 per unit will be paid to unit holders of Solaris LLC, subject to the same payment and record dates.
Cash Flows from Operating Activities
For the six months ended June 30, 2023, net cash provided by operating activities totaled $96.5 million as compared with $37.3 million for the six months ended June 30, 2022. The net increase is primarily due to the $40.8 million increase in total revenues offset by increases in direct operating costs and general and administrative expenses. Net cash provided by operating activities also included a net increase (decrease) of $30.6 million and ($21.2) million for the six months ended June 30, 2023 and 2022, respectively, associated with changes in working capital items. Changes in working capital items adjust for the timing of receipts and payment of actual cash. The increase in cash provided from changes in working capital in 2023 was primarily due to lower receivable balances associated with improved collections timing.
Cash Flows from Investing Activities
For the six months ended June 30, 2023, net cash used in investing activities totaled $76.2 million as compared with $48.3 million for the six months ended June 30, 2022. Expenditures for property, plant and equipment were higher in 2023 as compared with 2022 primarily due to increased capital activity to support our growing operations, including our management agreement with Chevron Corporation.
Cash Flows from Financing Activities
For the six months ended June 30, 2023, net cash used in financing activities consisted of $6.0 million net Credit Facility repayments, $10.7 million dividends and distributions paid and $0.6 million treasury stock repurchases related to tax withholding on stock awards that vested. For the six months ended June 30, 2022, net cash used in financing activities totaled $13.9 million which consisted of dividends and distributions paid.
Capital Requirements
We expect our capital expenditures will be between approximately $160.0 million to $170.0 million for 2023, which is based on our currently contracted customers’ latest outlooks on our dedicated acreage. Factors that could result in an increase in our capital expenditures include an increase in expected drilling activity due to the sale or exchange of dedicated acreage to customers with more active drilling practices and other changes in drilling programs. We intend to fund capital requirements through our primary sources of liquidity, which