1. Limited production capacity - Paringa Resources Limited has a relatively small production capacity compared to its peers, which limits its ability to compete in the market.

2. Higher production costs - The company's production costs are higher than those of its peers, which puts it at a disadvantage in terms of profitability.

3. Limited geographical presence - Paringa Resources Limited operates only in the United States, which limits its exposure to other markets and potential growth opportunities.

4. Dependence on a single product - The company's focus on coal as its primary product leaves it vulnerable to fluctuations in demand and prices for this commodity.

5. Limited financial resources - Paringa Resources Limited has a relatively small market capitalization and limited financial resources, which limits its ability to invest in growth opportunities and compete with larger peers.

6. Regulatory risks - The coal industry is subject to strict environmental regulations, which could impact the company's operations and profitability.

7. Limited diversification - Paringa Resources Limited has a limited range of products and services, which makes it more vulnerable to market fluctuations and changes in demand.