4th Marine Education Event Held at Oarai Ferry Terminal, Ibaraki Prefecture
- Experiencing Seaweed Energy and Deepening Community Bonds -

December 16, 2025

Mitsui O.S.K. Lines, Ltd. (MOL; President & CEO: Takeshi Hashimoto, Headquarters: Minato-ku, Tokyo) and Innoqua Inc. (Innoqua; Representative: Yota Takakura, Headquarters: Bunkyo-ku, Tokyo) held the 4th Marine Education Event at the Oarai Ferry Terminal in Ibaraki Prefecture from Friday, December 5th to Saturday, December 6th. This time, the educational program was conducted four times under the theme "Seaweed Energy Lab! - Creating a 'Moba-ile' Battery!?"

Children engaging seriously in the experiment

Once again, many elementary and junior high school students from Oarai Town and the surrounding areas participated. In this program, participants observed an aquarium tank that simulates the sea of Oarai using Innoqua's Biosphere Transfer Technology^® (Note 1) and learned about different types and colors of seaweed through quizzes and experiments. They tried extracting pigments from seaweed and exposing them to LED lights with similar wavelengths to sunlight so that they could generate electricity for playing music or powering LED bulbs.

MOL will continue to work together with Oarai Town and Innoqua to ensure that this program becomes a sustainable initiative. In addition, aiming for coexistence and mutual prosperity with Oarai Town, we will continue our efforts to contribute to the sustainable development of local industries and to protect the sea of Oarai.

(Note 1) "Biosphere Transfer Technology^®" is Innoqua's unique technology for "transferring the marine environment to places without the sea." The analysis and combination of three types of parameters: physical (temperature, water flow, light intensity, etc.), chemical (pH, salinity, nutrients, etc.), biological (fish, coral, algae, etc.), enable you to simulate a marine ecosystem in an enclosed tank system. A distinctive feature is that the same environment can be replicated anywhere by using filtered tap water and artificial sea salt, instead of natural seawater.

---

MOL Group 5 Sustainability Issues
MOL Group identifies "Sustainability Issues" (Materiality) as our key issues for sustainable growth with society through realization of the Group Vision.
We anticipate this initiative to contribute especially to the realization of "Environment -Conservation for Marine and global environment-" and "Human & Community -Contributing to the growth and development of people and communities-".